"one day you're 17 and planning for someday and then quietly and without you really noticing someday is today and then someday is yesterday and this is your life."

I think it's so important to have daily inspiration surround you.  For example, this is the background of my computer.  I have a peaceful image to look at and motivational quotes to read when I'm feeling discouraged or overwhelmed.  These little bursts of positivity don't seem like much, but they can be that little thing you need to get through the day.  Find what inspires you and incorporate it into your daily life.  Here are some other ways I've done it at school and at school-