Incorrect. Vegeta fucks but he finishes in 2 minutes and just walks off to go piss and doesn't come back. Piccolo would make love. Piccolo would eat you out for half an hour before even thinking about himself
THIS IS WHY THEY INVENTED THE STRAP YOU FOOL
honsetly, the fact that namekians dont reproduce sexually might make them better lovers, since they will focus entirely on your pleasure as opposed to your own
Also when you kiss he might lay an egg in your mouth and I mean I'm not into that but I'm sure some people are.