I don't think it would be an issue for the original poster as the ages are very close - it's just another inter racial relationship which is pretty common nowadays.

There is a guy (60 ) in my town who has a much younger Thai wife and he certainly gets a few stares when they walk around. He tells me that women especially seem to find it somewhat strange and they get the occasionally muttered bitchy comment, whereas most guys are ok with it ( and probably secretly wishing that they had the same situation themselves. )