2 BTC in your wallet if you can complete the gallon challenge.
Milk chugging, or gallon challenge, is the process of consuming a large amount of milk within a set period of time. Although there are variations in procedure, many adherents follow to the mostly general parameters; a person is given 60 minutes to drink a full gallon (3.79L) of whole milk without vomiting.
*Includes cost of milk*
Don't you need to pay Mushroomized? I do believe you owe him some money.