母乳あげるのも飽きてきたなあ。粉ミルクにかえられるかしら。
I'm getting tired of breast-feeding her.　I wonder if I can switch to formula.

　駄目だよ、母乳あげるのやめるなんて！　母乳が赤ちゃんには一番いいんだぞ。
No, you shouldn't stop breast-feeding!　Mother's milk is the best for the baby

　やっぱりそうだね。
I guess you're right.