hi im 18 and have been sexually active with my gf so about 7 mothes but everything except penetrarion. a few weeks ago she was strattling me and we were dry humping and i felt a pop in my sack. we stoped and a few munites later my right testicle swelled up and was vary painfull to toutch anything even sit. welly i iced it and it wnt down and thought it was fine then a week ago i found blood in my seamen and ever since then i haven't found blood but it had a brown discoloration. and i seen a show that discribed the simptims and said my testicle could be dieing. and am getting it checked out but i just wont to know what to expect and if it really is dieing.