6 years is not much in my opinion, at least when you get older.
In fact I had a friend, who at age of 26 dated a guy about 20. The guy was enthusiastic, but my friend was a bit embarrassed of their age disparity. It didn't last long, like so many other relationships she had...
According to
the "half-your-age-plus-seven" rule your "suitable" range would be women 19-34.