Everything is bonus, work like this.
Sherry, how about you do these: (sorry i can not type Chinese in this computer)
1, you treat him as visitor, of course then you two will not sleep together, this reach your goal of " apart"
2, of course once in your mind register he is the "visitor", then you treat him with respect and kind, treat him with good meal and provide him with nice room to sleep,
3, he is a visitor now, of course you will not order visitor to do anything for you, right, hei, what if you need to go out to meet friend to take a break?
you first need baby sitter, where to get baby sitter?
4, this visitor may say he is happy to watch your kid without charge, wow, this is a big bonus! there you go, bonus 1, listen carefully, from now on, going to count your bonus, you are a single mom now, everything have to do your self, ok.
5, this visitor sometime take garbage out, wow, bonus 2, you do not like the dirty heavy garbage bag,
6 winter time, snow remove, this visitor will do for you again for free without you asking, bonus 3,
7, you neighbor is very crappy, put things near your house, damage your fence
park on your property, hei, your visitor may also go over to help you correct these nuisance things. bonus 4,
Sherry, keep counting your bonus form the help of this visitor and you will find the solution yourself.
good luck