It must be stressful working on a telescope that costs about the same as an aircraft carrier. And everyone will be white knuckled as it launches. Enough said.
What was stressful was being over budget and behind schedule.....by lots
Imagine if something went wrong and you were the one who got blamed. I'd be sweatin' bullets! Of course, I'd be worried about anything at all going wrong. But that'd be my worst nightmare.