you can try working on self esstem. no one is "forever ugly". when you know someone, their personality tends to shine through and their look changes based on that-
a nose does not define a person, a person defines a person. self esteem and self awareness are all they need
Like they said above, it is not possible to accomplish that.
You should look at your nose and try to think more positively about it's appearance. I highly doubt that guys look for an attractive nose on a girl's face. Trust me, they don't. But, you are beautiful no matter what your mind tells you. I'm sure someone thinks your nose is fine!