Woah you're way too close inside the range of that bag. At that range you should be lighting it on fire and yet you're not. You're pathetically weak. Get some heart and soul son. Wheres that teen anger now? I can almost hear that bag laughing at you asking you if that's all you got.
To add onto what Benn said, if you are going to keep a high guard you need to throw your punches directly from their. You don't want to drop them into firing position before hand. It is the worst kind of telegraph.