I don't really have the time for a long reply right now
ditto, but maybe she is particularly distressed ATM for some reason - have you ruled out teething or ear ache (they can be teething even though there is no sign of a tooth erruption.
I really don't think 5 mo's do things maliciously (14mo's well that is a different story ), which is what people are implying when they say she has you wrapped around her finger, so ignore that cr@p. Hope someone else can give you some tips (hugs)