AS I watched the scene playing out on the TV, my heart started pounding.

Estate agent Cherry was meeting her boyfriend’s mum, Laura, for the first time – bringing back memories of the real-life monster-in-law who tried to destroy me in ways you wouldn’t believe.

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Hoping to make a good impression, she arrived with a beautiful bunch of flowers, but her future mother–in-law callously tossed them on a table, dismissing them as rubbish.

It’s a tale as old as time: son introduces the woman he loves to his mum, who instantly feels jealous that a new female will take her place.

So she makes her life HELL.

The reason The Girlfriend had such a strong impact on me was because, in many ways, I’d been there myself.

My ex’s mum hadn’t just disliked me, she’d hated my guts from day one.

She too had thrown down the flowers I’d given her the first time we met – not onto a table, but on the floor.

And the memories of the awful things she did while I was with her son still make me shudder.

Courteous to my face, but nasty behind my back, my monster-in-law, Jackie, constantly bad-mouthed me to friends and family – even my own neighbours.

She regularly told her son, Simon, that I wasn’t good enough for him and urged him to leave me, despite us having a child together.

Eventually, she succeeded and we split up. I simply couldn’t cope with her twisted games anymore.

Thankfully I’ve had no contact with her since the split, but I still have nightmares about it – and watching TV show The Girlfriend brought them all back.

I won’t spoil the story for those who haven’t seen it, but although Cherry isn’t all that she seems, Laura’s actions beggar belief.

For me, though, there’s one big difference.

Courteous to my face, but nasty behind my back, my monster-in-law, Jackie, constantly bad-mouthed me to friends and family – even my own neighbours

Cherry

While Laura’s awful behaviour pushes her son into his lover’s arm, the same could not be said for me and my ex.

His mother’s constant interference created a crack so wide that we still don’t talk to one another, despite sharing a six-year-old.

‘Overbearing’

I’d hoped the unappreciated flowers might be a misunderstanding, but soon I was being subjected to constant put-downs.

Sometimes we’d pop to her house for breakfast and if I asked for a bit of fruit instead of bacon and egg, she’d tut and mutter that I was ‘strange’.

She’d also get in a huff if Simon chose to spend a Saturday night out with me, instead of going round to see her.

He’d tell me his mum was ‘in a mood’ because he wasn’t paying her as much attention now.

I thought he was joking – at that point I had no idea how bizarre their relationship was.

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Just like obsessed Laura in The Girlfriend, Jackie had to know where Simon was at all times.

She’d call and text him multiple times a day, despite only living around the corner.

On one occasion, we were having sex at 11am when she messaged him six times in a row.

“Can you turn it off?” I pleaded as Jackie’s impatient alerts threatened to kill the moment.

I’m not alone in having a difficult relationship with my partner’s mum.

A two-decade study by Dr Terri Apter, a University of Cambridge psychologist, found that more than 60 per cent of women admitted their relationship with their mother-in-law caused them long-term unhappiness and stress.

Two-thirds of daughters-in-law also believed that their husband’s mother frequently exhibited jealous, maternal love towards their sons.

This was definitely true of Jackie.

She relished standing in front of me with her arms wrapped around Simon’s waist or shoulders.

And she had a key to his flat, so would often turn up unannounced.

One morning I plodded, half-awake, into the kitchen wearing nothing but a pair of knickers, only to find Jackie casually washing his dishes.

I complained that I found her actions overbearing and gently tried to explain to Simon that it wasn’t normal for a mum to be so involved in her adult son’s life.

But he responded saying she only did so because she “cared about him so much” and wanted to help.

Two-thirds of daughters-in-law also believed that their husband’s mother frequently exhibited jealous, maternal love towards their sons

During the three years we were together, Jackie would constantly gaslight me, telling Simon she’d sent texts inviting me to the cinema, or out shopping, and that I’d ignored them.

And if he dared take my side, she’d burst into tears on the phone so that he’d have to go round and console her.

Her words were vicious, but her actions were even worse.

If I invited her and her doormat of a husband round for dinner (yes, she controlled him too) she’d politely accept, then not turn up, secretly texting Simon afterwards to say she felt my invite was “fake”.

About a year into our relationship, I found out I was pregnant with our son, Josh.

For a while, Jackie softened – but within minutes of his birth, she reverted to type.

I had a terrible labour which culminated in an emergency c-section. Josh then had to be rushed to intensive care.

I felt exhausted, broken and bloody, so we requested that loved ones give us time to rest.

Everyone respected our wishes – except Jackie.

An hour after I’d got off the operating table, she burst into the room armed with balloons and a giant teddy bear.

“We’ve all been through it, you know,” she crowed as I burst into tears and begged Simon to get her out of there.

She even insisted on sneaking into the intensive care unit to see our newborn, even though I hadn’t been able to see him yet.

Jackie’s treatment only worsened when we finally brought Josh home.

She would message me constantly, telling me which wet wipes to use and what kind of vests I should be putting on him.

I even saw messages on Simon’s phone telling him to hide clothes I’d bought for the baby and replace them with ones she’d supplied instead.

The bullying was so bad, I even went to see a counsellor.

Jackie’s interference caused countless arguments and at one point, I even left Simon after she texted him claiming that I was “lazy” and “a useless mum”.

What hurt even more was that he never defended me.

That’s when I realised the level of control she really had over him.

It was relentless and in the end, I left for good.

I realised I would never be able to have a healthy relationship with such a mummy’s boy and that Jackie would never change.

Thankfully, I have little to do with her now, although she did try to continue her antics after we split.

She bombarded my friends and family with messages claiming that I was mentally ill, an unfit mother and needed help.

Luckily, they knew what she was like and blocked her.

But I’ve had to write my story anonymously, for fear of any backlash.

As a mother of a son myself, I understand it can be difficult seeing your child growing up, moving on and having another woman take centre stage.

But I’ve vowed never to be like my ex’s mum and to try to love whoever my son brings home.

I know all too well what it feels like to be on the receiving end of a hate campaign from a woman it is impossible to compete with.