Everything below is written for breastfeeding.
Feeding a lot, crying more than last week. Both are on schedule.
No measuring. Feed whenever they ask, both sides offered, and let them finish. If it hurts every time, ask for latch help now.
Trust the worry. None of this is an overreaction.
If you want the detail
The first real social smile lands around 6–8 weeks. Close, but not this week.
Drafted from public sources — see the full source list. This is not medical advice — call your pediatrician with any concern.