When man boobs cause pain to the side of the body, symptoms can include pain when laughing, sneezing or getting up to find the remote. Can be commonly mistaken for pectoral strain, although when lack of said muscle is exhibited, this can be ruled out.
greg: "ooww I think I hurt myself, stop making me laugh"
amy: "what have you done, gentle sir?"
greg: "I have strained my pectorials"
*looks at greg*
amy: "no, its definatley moob ache"