I didn't tell my dad until right before I had surgery either. I think it kind of hurt his feelings, which made me wince, but he was really good about it and I'm glad I didn't have surgery without telling him. Good luck, I'm sending you some positive thoughts!
:) Happy
53 yrs old, 5'6" HW: 293 ConsW: 273 SW: 263 CW: 206 