I'm a younger guy (by comparison) and I find I definitely prefer slightly older women. To be fair, in my hobbying life, the oldest SP I've seen is early-30s, so we're not talking full-on MILF here, but I've definitely thought (and even tried) booking older ladies such as Molly Robinson and Erica the Fox. I even tried booking a SP by the name of Anessa Fox (longfirmlegs, if that means anything) I was 21, and she sent me a very nice email in response to my booking email that asked whether I knew that she was in her 40s. Unfortunately I never saw her, but I would definitely say I would be interested. Obviously attractiveness would be a major factor, as would service.