When you die due to poisoning yourself with Thallium - you'd decided it would be funny to see Reap's reaction to finding you dead again - you, expectedly, reencountered the Grim Reaper. Reap, you'd dubbed him.

He didn't share the enthusiastic sentiment when he recognised you.

"I thought I told you to get lost! You can't keep dying just so you can see me! We are over, you hear?" He shouted, his voice gravelly and smoky as his patience snapped. His robes, black as ink, billowed theatrically.