Riddle

Once Shiro had 5 pounds of fat on him, he must lose the fat.
he gains fat at a rate of two pounds per month in the month of Slacking, the month of Flirting, and the month of AFKing. he gains fat at a rate of 1.2 pounds per month in the month of walking, the month of sitting, and the month of killing players. he gains fat at a rate of 0.6 pounds per month in the month of Relaxing, the month of talking, and the month of Hiding. And he gains fat at a rate of 1.5 pounds per month in the month of collecting, the month of gaining, and the month of Storing.

Assuming he start from beginning,
and he can lose weight when he has 5 pounds of fat on him
how many days will it take for Norbert to gain 100 pounds of fat?