I don't think I'm progressing like others

I think you're doing great!  I've lost around 30 lbs since surgery... the other 20 lbs was pre-op.  I'm 5 weeks out.  I did have 11 days when I lost nothing, though, starting 12 days post-op.  I was told by a lot of people that they had experienced something similar, and that a stall at around that point is common.  Your body just needs to catch up a little.

Increasing your protein may help if you can, and especially working on your fluid intake to try to get it up to 64oz.  For the protein, if you're eating oatmeal, you might try switching to "Mad Hectic Oatmeal" (http://madhecticfoods.com).  It has 14g of protein per serving.  I just got some on Saturday and I love it (Strawberry Pecan for me so far, but there are 6 flavors).

I am now at a minimum of 50g of protein. I am still struggling with the fluid intake, but working on it. Lisa- thanks for the tip on that oatmeal.