I bought two bettas, a VT and a CT at a Petsmart yesterday for xmas gifts. The VT is doing great, but the CT won't eat anything and seems to have tiny pinprick holes in his bottom fin. I'm guessing he did this flaring too much? He also doesn't swim very much except kind of frantically when anything comes to close to his jar. I'm keeping him in a plain jar with aged water for now because I'm not sure if he is sick or not. (I bought both of these guys early just in case they died or something). What can I do to destress him a little? I've read that some bettas just take a long time to get used to a new place so...