It is an intimidating feeling, and tbh one that never quite goes away no matter how many times you hear "relax, it's fine"
There are some key things to look for:
• looks healthy and alert
• has good muscle tone
• good skin elasticity
• at least six to eight wet nappies per day
• light coloured urine
• has a creamy consistency to their poos (if infrequent then a decent quantity, and soft)
• a slow but steady weight gain
• Mother has a good let down
Warning signs (possible failure to thrive)
• apathetic or crying a lot
• slack muscle tone
• bad skin elasticity (papery, dry skin that if pinched stays crinkly)
• few wet nappies
sometimes even if the milk's there your baby won't necessarily take all that much but then make up for it on another feed. Going anywhere over 2 hours at this age is fine, though many may want to feed more often particuarly in the evenings. At the moment don't worry too much about how long since the last feed, if he's showing hunger cues then feed - the frequent stimulation at this time is the very best thing you can do for your long term milk supply.
You're doing great!
• dark, strong smelling urine
• rare poos (after the 1st 6 weeks up to once every 14 days is within the realms of normal) and then very little and hard
• Mother has problems with milk let down
• very variable weight gain