he’s a very immature guy anyway by the looks of it,This. Like Jason ran off to London to pursue his dreams of becoming an actor. Did duck all over there only get drunk with his housemates and then when this pandemic hit came running home and Paul was waiting there to hand him his job back and a place to live. Although Jason was flitting between Dublin and Kildare all throughout lockdown. Jason can't function as an adult without Paul there to help him.
meeting Paul at such a young age means he had a parental role in both Kildare and Dublin That’s not an equal relationship and they’re tied together in such an unhealthy way,
especially if Paul had a problem with alcohol that he tried to address around the same time he met Jason, he might view him as a crutch.
I’m reading into it a bit much