I HAVE EVERYTHING- why am I sad? Is my bestie trying it on with my man? His ex wife is ruining my life...

This weeks episode has a little bit of everything in it... from a less than ideal situation with my toddler to an even LESSER than ideal situation with an ex wife...We've got a mum friend struggling to feel grateful even though she "has it all" and our other mum friend has some suspicions about her man and her bestie... what should she do?