hello everyone, i will be bringing my then 5 1/2 month old on a flight back to asia in mid March and the estimated flight time is 13 hrs. i have traveled alone many times but bringing an infant is a brand new concept to me. i know the question is kinda general; can you ladies give me some tips/recommendations/suggestions on the first fews things that pop into your mind regarding traveling long distance with an infant? thanks in advance!!