Dear @stepbot153,
We appreciate your interest in the town's Roommate Service. However, there seems to be a slight misunderstanding. The clients we send out are typically in need of housing, not romance. It may be possible that you have us confused with a Matchmaker Service that sims specially trained in the Social Networking skill might provide, or the one that is provided elsewhere by a mod we are not allowed to discuss here.
We also should point out that there is an Online Dating Service available in your area that you may wish to investigate.
Kindly stop sending our clients back with a note pinned to their collar that says "Ugh, too old!" or the equivalent. It's beginning to hurt some of their feelings.
Best regards,
blah blah
PS - We note that a small number of your NRaas mods are slightly outdated. You may want to look into updating those at your earliest convenience.
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Okay, the real answer is that the mod that governs the genetics of NPC Roommates is StoryProgression, in particular the SP Population module which you do not have listed. But that's genetics, not age. I don't know of any way to control age, maybe others here have heard of such a thing. Although I never recommend pulling an existing sim into MC's version of CAS and aging them down, in this case (Adult to YA) there may not be much risk because the two age stages are so similar. Or you might consider saving a roommate sim aged down to YA as a saved sim CAS template and then "replace" the sim with the younger one again in CAS.
