It's going fine; I measure that based on my performance reviews all being excellent, my clients all paying the bills on time, and all work is done in a timely fashion. I do individual contributor infrastructure engineering at the senior+ level.
Managing the calendar is the toughest part, making sure things don't overlap is difficult. My full time calendar is relatively light, the contracting gig on the other hand is starting to get on my nerves with the amount of meetings they're pushing me to attend.