Glad this anniversary is behind you...the first one IS hard!
I too, think you're handling things just right. You NEEDED to call Wolfie on his "oddness". and by the sounds of it he NEEDED to share what was going on!!
So how to bypass days of discomfort and have him TALK about this stuff when it happens? Experiment and see...for one, won't you be more likely to call him on this earlier in the future?
Might HE even take a stab at speaking up first eventually?