Is it true if a 30 year old is dating a 21 year old it means there’s something wrong with him?

Im 21… he's 30 my friend said “oh yeah when guys that age go for young girls it’s because people his age know he ain’t shit”
and my other friend said “there must be something wrong with him that woman his age don’t even want him 🥴🥴🥴”
my sister in law said it’s a bit strange
Is it true if a 30 year old is dating a 21 year old it means there’s something wrong with him?
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