Sherlock put his hands over John's, closing his eyes and enjoying his presence. "I'm beginning to agree with you. This may have been a poorly reasoned argument. The same impulses that drove us to sex and then to murderous intent might have been the same urges that inspired thoughts of suicide. There's the matter of telling true intention from event caused stupidity... But I felt more sure before you were right here so perhaps it's proximity or perhaps it's just fear or regret. I'll have to wait till after to see if I was under the influence."

He couldn't shut up even if he felt like all he managed to say was unhelpful gibberish. He didn't feel good and it only made him talk faster.