Truth is always good, especially when it can lighten the burden for someone else.
Sorry about coming down with a cold, but I am with you on the knees. Tore them up years ago and now they ache when it's cold. Nothing I can't deal with though. Increase fluids as much as possible, vitamin C and zinc can help.
I'll be hatching with the Easter HAL, whether I really get involved with the HAL thread much kind of depends on who is or is not on there.