I dont think your nose is too big for your face, not at all, what it really is, is too wide. In the side view the nose should always protrude past your lips and chin, this is normal, and is something that makes your faces looks more balanced. Now I completely agree with you that the top of the...
It's difficult to tell the photograph, we have seen aphthous ulcers present on the uvula after anesthesia and nasal surgery. Always best to check with your operative surgeon. This should not have any effect on the rhinoplasty results
Follow your surgeon's instructions, but in general, there aren't any dietary restrictions for someone after rhinoplasty. A low salt diet may help with swelling during the first few months, but will not affect the long term outcome either way. All the best!