Because running is just like, really, really tiring. 1. Stella is a perfectly healthy yellow lab who just cannot handle the thought of running right now. View this image › makeagif.com / Via youtube.com She just can’t, okay? 2. Watch her apply her “brakes” in rebellion. Video available at: http://youtube.com/watch?v=mfw69p_rvU4. Jody Hartman / Via youtube.com…