Answer to 1: Yes, but I think 'attractive' becomes more complex (vs. just a purely physical attraction based only on looks). More older men seem to appreciate women with style and confidence as well as looks. Those things = stable whereas looks alone can = high maintenance.
Answer to 2: Not all, of course. But I would say the great majority do, yes. We are sexual creatures, after all.
Second thoughts can generally be amended with judicious action; injudicious actions can seldom be recovered with second thoughts.
--Cyteen by C.J.Cherryh