>>12702070By forming an intimate emotional bond that leads to sex. Humans aren't walking genitalia that you're supposed to shop for until you find the right shape, romantic relationships don't work like buying consumer products.
Empirically, the most successful and happiest marriages are those between people who have only had sex with each other. People who jump from bed to bed looking for "sexual compatibility" (i.e. people who want to slut it up during their youth) don't make good marriage material.
