Women are always the emotions alternator in any relation and not the opposite .

You have two ways to discover if she really loves you or not .

let her feel in jealousy and ignore her .

if she feels bad and start to do something , thats mean she loves you and you need to teach her or show her best ways of acting with you .

if she didnt do anything , then its obvious she s not in love with you and she s in love with someone else . because somtimes woman might lie to save their marriage or pretend .