at age 49 my age, stress, and being married to same woman for over 20 years not to mention a epi cycle of 4ed for a month all contributed to a 'sagging' libido. the fire just wasnt there. after 3 months oni can honestly say that my libido has become to . i have to cycle off for awhile. this stuff actually brought back memories of my libido at 16. paravol works. btw dont forget about the load increase, wow.