I know of at least 6 frum couples who are 10 years apart and are
happily married. Three of the couples are married over 20 years and there are 3 who were married in the last few years. If I put my mind to it, I can come up with more couples I know with that age gap…..and the age gap at time of these marriages was the girl was 19-20 and the guy 29-30. So if the Shidduch is
right…go for it!