I was 38 when I married my husband having turned down 4 marriage proposals from brothers. I never wanted to get married and subject myself to the imperfect headship of any man let alone that subscribed to the warped opinions of men in the organization. But I met a kind man at work who made me laugh. I had been inactive for 3 years but still told him of my past and my still in family. He took a chance and married me. I am no movie beauty.
I saw over the years especially pre-1975, sisters desperate to have a family and children marry dopes without any work ethic, mama's boys, brothers disappointed in the sexual life with a jw and ran off with non-jw women. Living near the farm I saw jw beauties move out with their families, their fathers buy homes, and stick around until 1 or more daughters were married off to Bethelites, balding, pudgy brothers like those on the GB. Men they would never consider normally. I saw an older anointed brother in Brooklyn Bethel marry a sister 50 years younger than himself and she felt she had a catch.
3/4 of my contemporaries are divorced, and 1/2 of the "generation" behind me. As to young men married older women, if through menopause, no danger of children, other children grown up perhaps, women who have experience sexually, perhaps even sisters with money.