Just make a bet with a friend. Work out 4 days a week, for each day missed you owe him $100, same for him. Proof must be provided at the end of the month (most

Just make a bet with a friend. Work out 4 days a week, for each day missed you owe him $100, same for him. Proof must be provided at the end of the month (most gyms allow you to get a list of your check-ins)