They're not really 'word' people all the time. Clark can be, when he feels he's not being understood. But when the understanding is there, the words aren't necessarily necessary. Instead, he lets Bruce eat his food, eats his own food, and once Bruce has moved the first load from the washer into the dryer and put the next load in, he sidles up on the couch to tug Bruce closer.

Maybe all that touch on the tram and during the walk waaaaaasn't exactly for warmth, he silently admits to the world's greatest detective.