Due to work I have to fragment my workout.
Every hour I do a combo of 25-30 push ups min.
30 squats or lunges
5 flights of stairs (rotate with the squats/lunges)
Abs - Planks (10 - 20 minutes)
By the end of the day I do between 175-200 push-ups, 175-200 squats, 15 minutes of planks and 3-5 times on the stairs. I sit all day so I have to break it down to keep energy levels up.
Today is a new day. You will get out of it just what you put into it. If you have made mistakes, there is always another chance for you. And supposing you have tried and failed again and again, you may have a fresh start any moment you choose, for this thing we call 'Failure' is not the falling down, but the staying down.