When your routine workout becomes too difficult?
Your workouts getting harder instead of easier is also a classic sign of overtraining. Why not take a week off and see if that makes a difference? If it does, then add stuff back in gradually and monitor your fatigue levels so you aren't going from zero to 60 when your body is only ready for 45.
HW - 225 SW - 191 GW - 132 CW - 122
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