Now, moving right along with what I've already said...

Biological Determinism dictates that all healthy human beings live their lives with an equal and proportional amount of perceived pleasure, ergo; the pursuit of pleasure is a bull-shitting tip.
For every unit of pleasure we experience we must undergo an equal experience of displeasure, so as to, so to speak, reset our biological clock e.g. the degree of displeasure of hunger will equal the amount of pleasure experienced when we eat. And so it goes with sex, etc. (if sex can have an etc.).