> When I started out, I dreaded the moment when I hit the validate button on my finished book after months of work, because it would always find something to cry about.

I remembered one particular master student on the verge of tears trying to compile his LaTeX thesis draft, he took the “write and think about formatting later” too literally and was trying to compile it for the first time very close to the deadline.

Which, to be fair, overall probably still saved quite some time. The compile times alone would've meant they wasted so much more time by repeated earlier checks.

Whether a looming deadline changed the perception about that, we don't know ;-P