Haven't trained since Christmas Eve.
Why. Recovery & recuperation. Anyone who's training regularly and hard needs to take a break from the gym from time to time.
Personally I take a week off every two months. In my younger days, it was a week every 3 months. A time for a full revamp of the training routine.
Because it fits in with the holiday season (late Dec) and the end of the Spring competition season (late Oct), I generally take the last week of even months or the first of odd months off.
So if your feeling tired, a bit stale or over trained, take a week off, plan and start a new growth cycle.
All the best for the Bigger New Year.