What I do is play music I like, watch TV and make different exercises(usually two ways to train the same muscle group). With an exercise bike in front of the TV/computer screen it's easy to lose track of time.
After a while, when you get used to the schedule, it becomes quite addictive. At least it did to me.
As my mate Arnold says:
After a while, when you get used to the schedule, it becomes quite addictive. At least it did to me.
As my mate Arnold says: