Imagine you're a mother or father and one of your primary ways of expressing your love for your child is to cook them their favorite foods. (mindbodygreen.com)
Oh, and in case I haven't expressed my love of caffeine yet... I do love me some coffee. (theheartsdlite.com)
Neither does sex in that sense «make love» - it is one form of expressing love in one particular kind of relationship, i.e. marriage. (faith.org.uk)