I think "we" tend to be bored with life and disappointed with life. The wife and I were at the Mall yesterday, she had to return something, and I was musing again how often humans seem to thing THAT pair of shoes will make them happy, or THAT necklace, or THAT car, or THAT house. Or THAT Trophy Wife (Preferably French, and she does make me happy.)
If I had THAT, I'd finally be happy and content and fulfilled.
Um, probably not.
I think this bleeds over into drinking as well. All my friends are now drinking "X" and they seem happy, I don't want to be the last person drinking "Y" and looking archaic and not "with it", so I'm sure drinking "X" will make me happy (and drunk).
The kinds of things that really make us happy, I maintain, are things where we help someone else. And dogs. Dogs make me happy.