My ex-h was my partner in life for over 20 years. We were in our teens when we met. We went through so much together - college, university, house moves, bereavements, dogs and cats we had, and ultimately our two lovely DC. We were best friends.
Things didn’t work out and we split up 4 years ago. It was my decision but it was amicable. We promised to stay friends.
We both met new partners 3 years ago. I was happy for him. He has however become less and less of a friend and more and more of an adversary.
He does minimal childcare and maintenance. He constantly looks for evidence of how neglectful I am as a parent. He prioritises himself and his partner above our DC all the time (for example, he has never taken our DC on holiday but he and his partner go on holiday by themselves. He also never has the DC for a whole weekend or even for a whole day.) He sends me messages weekly accusing me of something neglectful such as unwashed hair or an untreated cough.
The whole situation has me on constant tenterhooks. At the heart of it, I just can’t understand how someone who was my best friend got so long could turn out to be so petty and nasty all the time. Maybe I never really knew him at all. Maybe I’m a bad judge of character.