The struggle is real

Omg why is it so much harder this time around when my son was a 1 year old (he's 5 now) I had him in a perfect routine still to this day his bedtime is 6.30

Butt I can't seem to get my dd (she's 1 this coming Monday 😢) in to any routine I've tired but doesn't seem to work

My friend had told me to put camomile tea in her last bottle but I don't want to start doing that

Any tips would be appreciated