Then again I did notice I was very good at understanding baby talk.
Taking from some old notes of my 5 month old baby:
"eh eh eh", but no crying at 6 AM = "I need a diaper change" or "I'm hungry"
rapid kicking = excited
wide open arms while lying down = "pick me up"
"uh huh/mmm" with slight head inclining = yes.
when mother is saying something, baby laughs, turns head towards me, "uh huh/mmm" with inclined head = "mother is right" or "I told you so"
laughing and turning away = "I like that"
licking lips = "I want to eat whatever you're eating"
"aaaaaaaaaaa" = conversation or song
long, drawn out, angry crying = "I'm tired and I don't know how to sleep"