Guys I'm getting braces today for 2 1/2 yrs. The color I'm getting is pink and blue

The few Q's bout braces:

1.) How does it feel to get them on?
2.) How much do braces hurt?

3.) What can I Not eat?

If there are Any other tips you have, plz tell me In the comments.

THANKS!
Plweasee Halp