I would say to myself:"Don't worry.Time will teach you to be a better person.Just be a little bit more confident. "
I'd say, "Start practicing meditation now!" :)
Buy stocks in Apple/Facebook/Aselsan !
"Anticipate your fifties, they're so much fun!"
"Be patient .. and live everyday as if it is your last day in life .. do what is a must .. and never quit "
I would say: "Everything will be ok, do not limit yourself in your wishes...and read more"