You just have to ask about stuff. If they have a close relationship with their mom and you’re good at bonding with her then it should be very similar.

Relationships can be like a workout where it takes a bit of effort and energy but after a while it’ll get easier. At least that’s how it is with coworkers for me. I talk and ask questions and try to throw a joke in there and see what sticks, after a while we’re regular ol buds