And that is not true at all, it is sx lasts who often shy away from sex and try to hide it because it makes them uncomfortable. It ruins the wholesome society. "get a room".Many people find it easier to share things pertaining to their second function. It feels less "personal".
I am sx/sp and we can't talk about sp too long because it's boring, we are sx firsts so everything we do has sex in it and everything revolves around sex and sexuality.