I don't know how long ago you started him with bell training. However, mine would ring the bells incessantly for awhile after I started training her on them. It was fun for her. The main reason, though, that she would ring them was to get me to come into the room she was in to play with her. She did, eventually, stop ringing them constantly. She started ringing them just for potty. Once in awhile, she will still ring them to go outside to play. That is very natural. On a pretty day, who doesn't want to enjoy the sunshine and warm weather?