I've come to realise this.True, you have sex with a beautiful woman.......yes, it feels good and you might be on cloud 9 for a few days, but then things get back to normal and you crave more and it just creates a vicious cycle.
St. Thomas Aquinas said we humans try and fill ourselves up with wealth, power, pleasure and honor but in the end these things don't lead to joy. The heart only finds rest (joy) in God.