They could easily just open a new studio and offer models the option to move over once they get older.
For the audience that want the youngsters and twinks they can stay with Bel Ami while those who are more into following certain models will get the option to do so! The models are still, to a degree, taken care of by the company and pushed to still remain somewhat physically fit and be healthy to maintain a good body and high potency (even though it is sadly not uncommon for porn actors to get arrested or do drugs).
At last something that they can keep doing until they get a regular 9-5 job at some construction company or whatever.
