It occurs to me that I never answered this.
They say that if you're genuinely suicidal, you don't look for reasons to end it, you look for reasons not to. I've been there, albeit a long time ago now. Ultimately, I couldn't be selfish enough to do that to my mum; it'd destroy her. That was a couple of decades back now, it wasn't much but at the time that was enough. In hindsight, I'm eternally glad it was. Then everything was black; right now I'm having fun.
Over the years, I've dealt with suicide second hand too many times. At University a friend of mine killed himself, and I'm still **** off with him for not talking to anyone about it twenty years later. A young lad on my team at work topped himself in messy fashion a few years ago and the fallout from that (when they finally switched him off) was horrific. I've an ex- with depression and numerous suicide attempts, and a couple of friends who similarly hospitalise themselves every few months. And I could go on. From the outside, it's like being perpetually kicked in the bollocks by people you love.
Sometimes, life is shit. Sometimes, it's unbearably, painfully shit. But critically, it can and does get better, and it would be criminal to sacrifice all that future cool stuff and give in to the darkness.
Ride your bike. Visit friends. The medical profession is medieval when it comes to mental issues but try them anyway. Do something, talk to someone, hell, post here. But absolutely do not let it win.
Do. Not. Let. It. Win.
Might i suggest reading back through Bullheart's posts?