For a few weeks my LO has been constant slobbering and rubbing her tongue on her gums. I think she is teething. Yesterday she cried on and off. We rubbed her gums and she stopped and was bitting down on our fingers. She wouldn't take her dummy and didn't want teething toys. I rubbbed her dummy on her gums and it settled her. Do babies normally start so young? If your baby started young when did they get their first tooth through?