No problem at all. If it’s not a problem with her parents,
or her, or the guy, It’s definitely not anyone elses problem
or business. I find that no normal guy that I know, that is 26 +
wants a girls under 21. Although they tend to be more mature than
guys, there’s a limit. Unless the guy is 10yrs + older than girl.
Which is a very unusual unless in itself unless the guy is
wealthy. Then all seem to be ok with that. Go figure!
Most people’s reaction if the gap is more than ten years & the person is over 30’s is that it is creepy.