my LO just turned 12 weeks and am starting to think about and wonder about 4 hr easy, even though some days we dont always go 3 hrs on every feed (and some times go a little longer). so are u supposed to start the transition a little before 16 weeks so that ur there when u get to 4, or really just try to watch lo for clues even if it ends up being a little after 16 weeks? how many moms Lo's were really on time with this transition?