Learn from the experience
Celerate the good memories
Yell at the world and let the emotions flow (my personal favorite)
Eat more chocolate
Surround yourself with happiness
But as said, don't blame yourself. Folks have stated how your friend made his choices. Now you have a choice: Sit and sulk, or rember/learn and move on.
When I had a friend back in high school who shot his head off, and another in college who tried to OD. The latter came to me a few days before with statements of depression and suicide. I listened to her, but didn't direct her towards help. Now, whenever I hear someone talking about that, I take them for help. I learned.
My dad died when I was in the service and I couldn't be there. I spent mom's last 5 months at her side.
My HS sweetheart contacted me after many years, and died a year after that. Now I stay in better touch with friends.
What can you take away from your experience? Can learning and changing help you overcome?
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Note: this is just how I get over things, and may not work for all people. But a good cry and yelling at the world does seem to help most :nod: Grieving is personal, each has their own way.