Forget this phrase and never remember it again!

А вот мой бывший/бывшая… Forget this phrase and never remember it again! It seems that these words should be generally considered taboo. Firstly, such phrases will not help improve your sex life if you want to hint to your partner how and where you like it better. Secondly, it seems that no one on planet Earth has ever appreciated being compared to an ex-partner.