"Have you ever recruited anyone to work for you, had it not work out, and had to let them go?"

-> Yes. It wasn't fun, but it's less fun being fired.

"Very few things weigh so heavily on your conscience."

-> Realizing that you haven't been there for your kids. Accidentally killing a bicyclist with your car. Building a product that rips people off. I can easily write a really long list here of things that are harder than firing someone who is not working out.

Just saying.