there's nothing wrong with being into twinks even if you're older. Hell i remember when I was a twink, I was really into fit older men in their 30s and 40s did that make me weird? Plus, biologically, we're programmed to find youthful, sexually mature partners as desirable.
Getting back on topic, I think the only time when age shaving is an issue is if you don't look like the age you're pretending to be or if you use outdated pics in your profile. When I use the age filter in the search engine, I'm looking for someone who looks that age...not necessarily their GOVMENT age.