We have a collection of 3 Love quotes from Robert A Heinlein
"Love is that condition in which the happiness of another person is essential to your own... Jealousy is a disease, love is a healthy condition. The immature mind often mistakes one for the other, or assumes that the greater the love, the greater the jealousy." (ID 50641)
"Sex without love is merely healthy exercise." (ID 50913)
"May you live as long as you wish and love as long as you live." (ID 50951)