Looking for a job http://cities-today.com/stmap_100j0ddb.html?rumalaya.erexin-v.viagra.rizatriptan doxepin 75 mg 1a pharma  The marsupials that engage in this "one strike and you're out" approach to mating all die off because of a general immune failure that happens shortly after mating. This has nothing to do with the process of mating itself; in fact, it starts well in advance of mating, as the males build up a store of sperm and then permanently shut their gonads down. The question wasn't so much how the males' death takes place, but why. What sort of evolutionary advantage could this provide?