Thad is school

There are some changes in him since he started school. Positive ones are he look for support and try to climb stairs on his own; he nods to things he wants; he ate more solids than bfor.
The negative ones were: he's taking a longer time to settle to sleep; he screams when he wants things; he keeps checking that I'm around him; he wakes up from sleep crying and needed to be cuddled by me.

I hope i'm doing the right thing; if any wrong, I will be told or I'll realised before it has any effects on his character building. Dear God, please help me be a mother.