OP, you owe a man who wasn't in your life for 16 years, absolutely nothing.
Your mother was correct that you could accept the money to help you.
She had provided for you up to then.
You owe him nothing, absolutely nothing.
I certainly think it strange that he wants to look after your two children on his own.
I wouldn't be entertaining him on that score.
Take the time to re read@Gutterton, thats good advice on how to handle this bully.
Personally, I'd be wanting him away from me.
I have zero tolerance for bullies, particularly the male type.
If you feel more comfortable you could write down how you feel and want.
Tell him back off and respect your boundaries or get the hell out of your life.
I have always been ruthless with my protection of family down time.
Because i am so respectful of others privacy, i would never tolerate being repeatedly imposed upon.
Those early years are busy and precious....someone turning up ad hoc, first thing in the morning is simply not on.
You sound lovely OP, let your OH support you at this time.
