"No matter if I hit a bad shot or have a bad hole or play a bad round, it can only get so bad like on the golf course today. I mean I started out great, things were going well, but I struggled a little bit on the back nine. That's OK," he said. "I have a much more optimistic, positive perspective on things now."
He called the shooting one of those "life-changing moments."
"As long as I live it will always be a part of me," Weaver said. "It's something that I need to remember, and everything I do I want to honor the victims and represent the university."
Major tournament play isn't over yet for the college junior: Winning the British Amateur Championship also earned him a spot at next year's Masters Championship.
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