A WOMAN has blocked her best mate after discovering she'd been sleeping with her 23-year-old son.

The anonymous woman, who shared the alleged incident on Mumsnet, was left reeling after discovering her friend of over two years had been getting frisky with her son.

To make things worse, her son - who is five years younger than the pal, 28 - is supposed to be in a committed relationship.

Taking to the popular parenting forum, the mum claimed she hung up on her friend and blocked the contact on her phone.

According to the woman, it's not the age gap that bothered her as they're both adults - but she did slam her bestie for showing absolutely no ''boundaries, morals, and respect''.

"I had helped this friend over that last few months with food for herself and her cat as she has no job and

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