Haha that's ok, you guys don't have to understand if it's beyond your intelligence level. Some don't want to pay for FS or guaranteed services. Some just like to get a good firm Chinese massage with some potentials. It's like some people like one night stands, some people like a few dates to see how far they can go with a girl while bonding with talks etc and not necessarily go straight to sex.
Guess horny guys who only want guaranteed services usually have their small head overtake their big head.