The most common reason given for dropping out of a cardio program is

The most common reason given for dropping out of a cardio program is lack of time. People say that they don't have enough time to work out that much, which is why they usually opt for quitting the program before it's even finished or before any results show. This may not always be the truth - they may just be lazy, or tired, but often people say that they don't have enough time.