My dad is treating my open heart surgery like it's no big deal?

Anonymous
So I am having open heart surgery in June and of course I am a little afraid and nervous. It has a success rate of 96% but I'm just nervous considering the fact that it's a 4 hour operation and then I'll be in ICU for 3-7 days afterwards. And then I am going to have to recover for 8 weeks, no lifting anything over 5 pounds, no driving, no lifting my arms above my head, etc. My dad had a similar heart procedure done but it wasn't surgery, they just went in through an artery in his leg so he was out of the hospital the next day with minimal restrictions. He's treating this surgery like it is no big deal saying I'm worried for nothing and that the recovery won't take 8 weeks although the doctor specifically said 8 weeks. Am I worried for no reason? Is he just being ignorant?
Updates
+1 y
Oh also, I will be on a really restricted (liquid only) diet for at least 3 days, and they said my appetite will most likely not return for about 2 weeks
My dad is treating my open heart surgery like it's no big deal?
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