1. Then there would be 80 cards in a deck, and the kids would all be 20 years old.

2. I guess it would make him... not remotely forgiveable, but slightly less disgusting. The fact that Eridan murdered Feferi shows that he is incapable of loving with any sincerity; love is a treasure to hoard, a coveted object, and one to be destroyed if you yourself don't get to have it.

3. Bedtime.