It sounds like there is a large age gap between you, he has a son half the age of your children! I presume he has care of his son at least part time, if not, why not? Do you want to get involved with step parenting a teenager? He must still be co parenting with his ex so that’s another difficulty. I presume this is why you need to move to Ireland as he is still tied down to his son.
Go for a long holiday to see if you can cope with being with him for longer time periods and how you get on with his son and ex.
You have received a windfall ...
Your username explains how you die , how do you die?
