I can also suggest a game-theoretic take on real love: Let U be your utility function Let U' be your partner's utility function Let U and U' be normalised agai

I can also suggest a game-theoretic take on real love: Let U be your utility function Let U' be your partner's utility function Let U and U' be normalised against the same scale A love is real iff * U is defined in terms of U': U = C(U') * and for any positive change e' there is a e >= e' such that U + e = C(U' + e'). Disclaimer: no guru, I know formulations are sloppy, but you get the idea :)