Going back to work will be difficult. It'll take time getting used to regular work hours, meetings, deadlines, etc. There will be a steep learning curve. I'm still spending a lot of time reading RFCs, reviewing programming stuff, following mailing lists, and so forth. I hope everything works out.
This morning some folks from chorus went caroling at Lytton Gardens in Palo Alto. Afterwards, I was tired, so decided to go home and relax for the rest of the day.