I like to focus my energy on collecting experiences as opposed to things and would much rather spend my money on a trip to a foreign country than on a fancy new car
Someone who enjoys the outdoors, tries to eats healthy and likes to take a midnight stroll from time-to-time. Might wanna have s*x to.
People could rationally decide that prolonged relationships take up too much time and effort and that they'd much rather do other kinds of things. But most people are afraid of rejection.