A lot of people think they have to hoist these incredibly heavy weights to build muscle in the particular muscle group that they are working. They also think that they need to be in the gym for hours on end in order to do it. Now get to building it properly which requires the proper stimulation and the proper nutrition to recover.

Bodyweight Incline Pushup on Stability Ball 5x8-12
Bodyweight Pushup 5x8-12
Bodyweight Dips 5x8-12