Nice name. We must be /. siblings.
I used to not think so until a friend of mine did it. The emotional impact was staggering. I was sad, but then I saw how his wife reacted, and I'm still mad at him for doing it. It's been 3+ years, and she still posts on his Facebook page as a way to cope. He did it at work, too, and it really had a major impact on everyone who worked with him. He was well liked, but there was still the normal gossip and jokes. Everyone was ever said anything felt guilty for a long time.
The thing is that everything about it is irrational. The act itself, and the stream of grief and guilt that follows.
I have to also mention that his life insurance policy didn't cover it. His wife had the funeral costs, credit card debt and 100k+ in student loan debt she now has to cover.
It's the most selfish act that a person can do. Even with mental illness to consider (he wasn't diagnosed with anything to my knowledge, but I have to think there were some issues), it's hard to forgive what he did to his wife and family(and he was a friend of mine).