In the Christian faith, there's a belief in a thing called ' Soul ties'.
A soul tie is the mental, spiritual, physical side effects you can get from doing sacred acts with someone like having sex with them. If you sleep with lots of dumb wh0res and slvts, don't be surprise if you're suddenly having strange unclean thoughts, feeling depress, suicidal, jaded etc.
A soul tie is basically the act of transmitting someone's characteristics, behaviors, attitudes and tendencies and flaws through a sacred act. This is why it is very wise to check who you're sleeping with.
Dude, It is why celibates and Men practicing semen retention are onto something and have this childlike happiness about them. There living on the spiritual plane, not the physical.