Easy Transition

I was concerned if baby could move on to follow-up formula milk (stage 2) when she hasn't reached 6 months,

"Should I buy 1 more tin of Stage 1?" Like very wasteful ler
"Can I mix half of stage 1 and stage 2?"
"Will that affect the quality of the milk?"
"Will baby taste any difference in her milk?"

.. Yesterday all thoughts were cleared up when MIL told me she has opened up the new tin (stage 2) for Chloe. She accepted it just like every other day. No fuss, no difference. Phew... It's just me being over worried.

By the way, Chloe is on 50-50 breastmilk and formula since March.
Mama has stopped expressing since April. *sobs*