Hi I feel for you, I'm also 5 days in to my post surgery.
Also on liquids I do feel full and I think I also don't crave the taste of food, but I do think about it, cuz I know what it taste like.
So I try keep my mind from foods and think about week 2 where I'm relly going to enjoy a tea spoon of other then Water.I also noticed that I can handle more liquids but its because liquids will be push threw, After 2 drinks im full but if I drink more it hurts a litle above my stomach Valve then is pushed threw then is confoting. Hope you get well soon and be optimistic about the futere.