To go out for a whole day from 9 am untill 5 pm how many bottle shoud i bring for a newborn baby

A newborn needs 4-5 bottles a day so if you bring 3-6 depending on how fast they drink and how much they like milk :)

The person who utilize the progression principle will keep adding the difficulty of the exercise that he's doing, while the person who does not, will only stay stagnant.  the person that utilize progression principle, will get a stronger endurance because now his body is conditioned to do harsher routines.{the answer was already on verified)