Hey I breastfed my son until 17 months, and the bonding process of breastfeeding is so awesome. But you really have to watch your diet, I didn't eat junk food or anything, and no coffee or alcohol (well, yeah, I did drink when I was out some times but I pumped milk out beforehand lol).
It was really painful for the first 10 days, my nipples bled, and that's a normal occurence. And the baby has trouble latchigno n at the beginnign usually, that's normal as well.
But after that, it was awesome, and I'm sure it was healtheir for my son than formula, which he's never had.
It stops being painful after about two weeks, and then you're usually on track. That's my experiences with breastfeeding anyway.

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