When I am extremely attracted to a person who I am also dating, it's very hard for me to contain myself from performing sexual flirtations, and just enjoying their company without sexual thoughts taking over my mind.

Also, additional question:

If (attractive + good personality) = dating material who has to wait for sex and (attractive + not good personality) = casual sex and dumping afterwards -

Is it more efficient for a hookup seeking man to have some sort of "bad" personality which would eliminate him from women trying to vet him for LTR and just using him for sex?