No protein? You don't eat meat, eggs or dairy?
There is also protein in bread/grains/pasta, veggies, tiny amounts in fruit.
I think it would be impossible for you not to eat any protein to be honest.
Start reading the packages or using calorie king or fitday and check what is in your food, you may be surprised.
Skimmed milk post-work out then.
What is it about whey protein you don't like?
Some do taste dreadful, and I mean dreadful. Some taste great.