You couldn't save that much cum in a year. If you tried mother nature would step in and you'd have wet dream after wet dream. When I was young, about 12, I would masterbate (jerk off) several times a day. Later a friend of mine showed me a pron movie and I saw these guy's shooting 4 or 5 times over their heads, I thought, what if I stop jerking it, I could do that. I stopped for 4 days and on the night of the 4th day I had a wet dream. I tried again this time waiting only 3 days. I then jerked off and only shot the usual one burst over my head. It then occurred to me that the scene must have been dubbed several times. After asking my friend he confirmed me to be correct. he said "no one can shoot cum that many times".