“I should have known better than to rely on pills. You can't buy unconsciousness quite so cheaply.”
“I think I should understand that better, if I had it written down: but I can't quite follow it as you say it.”
“Trying to quit smoking I'm out and have decided the best way to quit is to simply not buy them. "I can't" generally means "I choose not to".”
“... all I can say is that you could have no better or more trustworthy companion than your own unconscious. ...”
“OK you maybe can't buy happiness with Cosmic Ordering, but it's much better crying in a mansion than in a hovel.”
“Who would have known kissing someone you love was so much better than kissing other girls?”