Just over the weekend my almost 9 month old who was drinking his formula like a champ (averaging around 30oz a day) suddenly decided he just wants to chew on the teat and not suck the formula out. It's been 3 days already and he's drinking half of what he normally drinks. His wet diapers are no longer soaked and heavy. I can only suspect that he's teething, however he's not cranky or fussy, in fact he's happy and active. He is indeed chewing on everything he sees (even me!). He normally clears a 9 oz bottle before bedtime. Over the past 3 days he only drank 4-6 oz but still managed to sleep through the night. Should I be concerned? So after only drinking so little before bedtime, I would think he'd be super hungry in the morning. NOT! He'll just chew on the teat and milk would trickle into his mouth and by doing that he'll drink between 1.5 - 4 oz from his 8-9oz bottles (yes...the left over goes down the drain - I wish he knew how expensive formula is!). It's so painful and stressful feeding him...it's absolutely frustrating! I am already using the fastest flowing teat for the bottle so I have no more teat I could turn to. I remember when he cut his first tooth, he only drink 13 oz that day...but it was only that one day. It's been 3 days already. Would it be possible that he's trying to wean himself off formula? Or is this just a teething phase? I'm going to start making smaller bottles now because he wasted so much formula it's not even funny.