You really need to cut back on your workout schedule. If you don't allow your body to rest and recover, you will overtrain and cause more harm than good.
According to the American College of Sports Medicine, "One or more recovery days should be added to each training week." You see, if you don't allow your muscles enough time to recover, they'll never heal.
Also, you may need to get more sleep. Sleep replenishes growth hormones that are essential to building lean muscle tissue. If you don't get enough sleep, those muscles you worked so hard to tear down don't get a chance to rebuild themselves. As a result, you don't see a change in your body because you're not taking advantage of the body's premium recovery time.