Everything below is written for breastfeeding.
Likely the hardest week for crying. It has a name, a known peak, and a known end.
Feeds are getting a little more efficient and spaced out. Keep following their cues over the clock.
Draft figures for this age, pending clinical review.
Trust the worry. None of this is an overreaction.
If you want the detail
The first real social smile, most common by 6–8 weeks — many babies show it right around now. Crying beginning to ease over the coming weeks rather than continuing to climb.
Drafted from public sources — see the full source list. This is not medical advice — call your pediatrician with any concern.