I'm not discounting the challenges, just the idea of some arbitrary "cutoff" where relationships (romantic or otherwise) are no longer possible. Certain things might become harder as you get older, but there's never a cutoff (and some things might actually become easier).
(I originally responded with a different message that I deleted, since it looks like you edited your message in such a way that my original reply wasn't super applicable anymore.)
(I originally responded with a different message that I deleted, since it looks like you edited your message in such a way that my original reply wasn't super applicable anymore.)