I agree, but I always thought the restaurant scene was a bit over dramatized. Mike might have been a bit apprehensive about having to kill Sollozo - b/c if caught he may have to spend the rest of his life in prison - but, I don't think he should have had ANY fears at all concerning his own life in that situation. Once he survived the car drive over there and got the gun out of the toilet, Sollozo and McCluskey were dead men. Michael was experienced with a gun and not afraid to see brains fly. He was just hoping that Tessio would be waiting to take him out of there.

The hospital scene is actually where Mike faced REAL danger to his life -- and he happened to pass that test with flying colors.