when i got my betta i read alot about how too much space could be stressful on them but ive been reading alot of posts saying their bettas are in like 5 gal or more tanks thus im a little confused how big or small is too big or small or a tank for a betta mine is in a 1gal and seems happy im just asking cuz my friends consider me the one to ask for fish help sometimes i need help myself