I've always thought that the key to a good sex life is variety. That's why God gave me two hands. Humans love sex, we need sex, it's how we connect, it reminds us we're alive, it's the third most basic human need, after food and good movie popcorn.
Billy Crystal (2013). “Still Foolin' 'Em: Where I've Been, Where I'm Going, and Where the Hell Are My Keys?”, p.10, Macmillan