Time seems to heal all wounds. If you've been playing more DB lately, most likely you have the hard, surface callous that comes at the beginning . As you play more DB, you may find that that the tough section goes deeper through the tissue of your fingers, with a softer surface. That's been my experience. People ask to check my callouses on a fairly regular basis

, and they are often surprised to find that I don't have scaly alligator fingers, even though I've been playing for decades.