I'm concerned about my gc - he doesn't have set bedtimes and he grazes throughout the day, and drinks from a bottle. HE is not potty trained. He is 2 yo. I'm a bit worried the lack of routine will store up more problems later on, my son and DIL don't seem to care. Should I persist with advising them or leave them to get on with it?? I'm considering inviting him to stay with me and trying to potty train him myself.