Remember that someone needs you just as much as you need someone. Fall forward, always forward. It may be hard now, but I need you to push through and show yourself just how amazing you are.
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Him growing up is a huge part of this movie, learning his mistakes, but I think the part of suicide it very important. That he tried and couldn't, then had to live with that. Live with his mom in constant worry, live in wonder of why he couldn't or why he didn't want to. All the while, the girl he is thinking is helping him, ends up needing help.