I would take the:
Hot 20 year olds who look seventeen and know nothing
They usually have nicer bodies, pussy is tighter, more open to experimentations, you never have to buy lube because they are always lubricated, and who am I kidding, I love the dirty looks I get from older women when I am strolling with a girl half my age in the mall, and the admiration from guys who know I'm tapping a young thang
And your last comment says it all, they "know nothing" and find older men interesting. Most have daddy complex issues that I help nurture