I can control myself -- I'm not an animal.

[ Reiner smirks, giving Kaneki's shoulder a light shove. ]

Swimming isn't even something I do very much. Before I got here I mostly knew enough not to drown, there wasn't a lot of time for that kind of thing. [ Or like... pools. Reiner shrugs his shoulders, still grinning mildly. ] I only did that in the mountains because I thought it'd be fun.