I feel the same, and taking this one match at a time.
I know what you both mean and I must agree, taking it one game at a time and not getting ahead of ourselves is important. I'd like to hear what Andy's serve %'s are like so far. My impression is that they are okay, and that if they were even just to stay at 'okay' level in the next match, then that would be enough to keep Andy momentum in this tournament. Relaxing into the 1st serve and acknowledging what a gift it is, will advance Andy's game more that any other improvement within his reach. I think Ivan knows this. Simple steps, simple improvements, one game at a time.... Let's go Andy, let's go