Why was the attendant feeling happy, again? Oh, it was that grapefruit he ate, amazing how that always supercharged him. (As if he had multiple vitamin deficiencies that the fruit had all instantly restored.)
Why was it, again, the attendant had this happy feeling? Oh right, it was that young gal from an while back who’d expressed an interest in history — “particularly the middle ages,” she’d said.
Quite amazing, really, the effect socializing could have on physical pain. People in pain talked to him and felt better. He, in pain, felt better having talked with them. (It could sometimes, of course, have the opposite effect.)