I had a GBTA and he found a nice apot and didn't move. Well I got a RBTA a few days later and he found a great spot also, right next to the GBTA. Well at first they both opened up looked great but recently the RBTA has not opened up so much and his base now has a green tint to it.... He isn't moving and when I tried to move him his foot attached solid. Are they ok touching?