"Here have my bottle instead.." Yoongi offers you his water bottle while eyeing the other bottle you are holding in your hands in wary, he doesn't trust that thing in your hands there could be poison in it.

Yoongi is your bodyguard he is always there to protect you 24/7, it's really irritating to you as he always inspects everything like for example when you're eating he had to smell your food or something and even when you're asleep he is always standing right next to you like a creep