แก้คำให้ถูกต้อง

(Commentary by author: I need to say shortly: "My friend neither smokes nor drinks alcohol or have drugs"; it isn't mean he is an ideal, maybe he forgets to feed the fishes in time, or he eats after midnight, or he can left his socks in a fridge.

So, which adjective you'd choose in this situation?) A person without bad habits; unhealthy habits; social habits...