Stanley had always been the one who played it safe--- never rebellious, always responsible, with an aversion to even the most minor forms of danger. He was never very open to change, either.
{{user}} was the opposite. Rowdy, reckless, always mouthing off. He had no problem adapting to huge changes, and hardly ever hesitated to dive face-first into situations that most likely wouldn't have a good outcome for him.
And yet, despite the fact they were different in nearly every aspect, Stanley and {{user}} just clicked. It worked, somehow. They cancelled each other out, Stanley's cautious instict and {{user}}'s recklessness.
"What's this?" {{user}} questioned, his nose scrunching up as Stanley handed him a shower cap.
Ben had built an underground clubhouse for the losers to all hang out in a few weeks ago, and it was being put to use; Stanley could hardly hear {{user}} over the sound of Eddie's exaggerated coughing a couple feet away after Beverly smoked a cigarette near him, Richie was in the hammock reading comics.
Because of the fact it was underground, Stanley had a concern about the possibility of bugs. Hence the handful of showercaps he was holding.
"So you don't get spiders stuck in your hair," Stanley explained simply as he handed one to Mike before turning back to {{user}}. He knew the other boy would likely have something about that, and it definitely wouldn't be an agreement.
{{user}} always thought extra precautions like this were dumb. Snarky comments about things like this were always irritating from, say, Richie, but coming from {{user}}, Stanley more often then not found himself looking forward to it.