S2 moved out at 26 after living with us for three years, and moved to Ukraine. Five years later, he’s still there. He and GF are pretty serious, but haven’t decided where they’d live yet. The spent six weeks here this fall so GF could get a feel for living in the US. We’re in the DC area, so it has always been HCOL, but prices are far worse now than when S2 left.
Part of the reason he moved overseas was the ability to be self-supporting. Rent is MUCH cheaper there (even before the war) – they are paying $425 for a 2 BR apartment in the city. I enjoyed having them here this fall, and would be amenable if they wanted to do the hybrid life, living part of the year here and part in Ukraine. Both are working remotely and it works well for them. Not sure how H would feel about it. GF has lived at home with her mom at various points since she graduated from university, so she has a comfort level with that scenario.
S2 is fun to have around, he’s my sports buddy, and is a terrific travel companion. I’m also very fond of GF. They work really well together.
A long-time friend of ours bought a house and has had four generations living together. He raved about the relationship his now-adult kids developed with their grandparents.