Don't talk nonsense and say that sex is not love. You might as well say that love is not love. Shakespeare said that. Love is not love that alters when it alteration finds. Sex is not sex that loves not when it sexes.
Sex is love. It is the body loving. It is anything loving. It is pleasure. And now know also that love is sex. Love is nothing but sex. But can't there be love without sex? you ask. Um, not really. You see, you must love with your whole being, which includes, as it happens, your body. Or else you have altered the love beyond recognition. I don't care who or what you're loving. It's a body thing, ultimately.
The next time you plan to use the word "love" in a sentence, at the last moment substitute "sex" instead. Know the truth of what you just said. Feel the implicit rightness of it. See how people react. They will be surprised. That is how you know when you have touched the real.