How long did you drink protein shakes?
I am nearly 3 years out, my labs show that no matter how much protein I EAT, that unless I supplement with 3 shakes a day, my serum protein crashes. And while folks stress that your hair falls out, the *most* important part, to me, is that if you do not have enough protein, your body WILL find it, and it will find it in your muscles. And your most wonderful muscle?
Your heart.
So. Rule of thumb, follow doctor's orders realiizing your ability to consume enough protein is limited at first, and also ultimately that your *labs* should tell you what YOU need to do (regarding protein, vitamins, et cetera) more than John Q. Public's guidelines.

Every person is going to be different. I woulderr on the side of too much protein rather than too little. As long as you are keeping your calories and carbs down, protein you don't need to build or maintain muscle is burned as fuel. That's actually the principal behind low-carb diets -- protein takes much longer to convert to blood sugar than carbs so it helps even out blood sugar and prevent spikes and crashes.
A lot of Nuts do not what you drinking your protein except for the first few weeks. I am 2 years out and I still drink 2 a day. I love my shakes and my Nut approves because it works for me.
I'm not a breakfast person. Never have been. So I usually start my day with a shake and then have a snack later in the morning. I eat the majority of my food during the middle of the day so when I get home from work I dont really want to eat. I have another shake at that time and then another snack before bedtime.
I honestly feel you have to find the right balance for you. Use your doctor's plan as a guideline and then adjust according to your needs. You will find a lot of Nuts/Dietitians recommend higher carbs than others so you will see a lot of OH members that say their Nut recommends 100+carbs a day but they have found they lose better/faster under 40. Again, it's all about finding what works the best for you!
Good Luck!!
Surgery Date: January 16, 2012
Highest weight: 367 Surgery weight: 360 Current weight:248
Total lost = 119