Earlier quoted context omitted.
What other meaning could there possibly be for words like "bad" and "good"?
Really? Self-sacrifice and penance are almost the basis of one the most popular moral theories in the world. Just go ask the closest Christian you might have.
You can't make those objective, though. That is my point. (It's not like I haven't actually heard of Christian morality before.)
Ultimately, the only thing that actually matters for any living organism is pleasure. Thus, only pleasure, ultimately, can be good or bad for an organism.
I mean "pleasure" in the broadest possible sense, but it's always either a physical sensation or an emotion.