Fourty years after, and here are my thoughts...Your digestion is better, your Breath is better (less nooks and crannies), my face looked better after, You will have less cavities, because your teeth will now be more self-cleaning, you can take a harder hit in a fall or accident, because they form perfect arches, and each reinforces the others against a hit, they are easier to clean, and they look better and wear better over the years. (Grammarians, GRIT YOUR TEETH - I know that was one run-on sentence, and I am not going to change it.)
The pain of adjustment each two weeks meant that I would take only liquids or soft foods for the first two days after each adjustment.
Post Braces, I almost never chew gum - got out of the habit.
I think having braces makes you more aware of mouth/tooth care - you tend to wear mouthguards when you should, and you take better care of your teeth than those who never get Braces. I'll bet that those who get braces live a liittle longer, on average.
The younger you get them done, the easier it is, and the less care required for the rest of your life. My Mother got them done while in her Fourties, and has to wear a retainer for the rest of her life, as her jawbone didn't fill in behind the moving teeth. My course of treatment was almost Seven years - six months wearing a bite plate after eight teeth removed, and four years of braces, followed by two years of a retainer, nothing thereafter. My Daughter's course of treatment was Three years, and she will have a wire cemented to the back (inside) of her front lower four teeth "indefinately".
It is well worth the expense and pain, and is one of the best self-improvements a person can make, bang-for-the bucks wise, IMHO.
Even if your insurance won't pay for it (if it is recommended), get it done. You will slowly realise over the years that it was a good deal.
My $.02