Wei Ying would rather sacrifice himself a thousand times than live with regrets. And if he has regrets, then he has to ease them by enacting revenge.

Maedhros just might not approve of how far they'd gone in settling things. "Same with loyalty." He gives in enough to start twirling the flute, giving hands and fingers something to do.

"...Are...you all dead?" This train is certainly something different and unknown. But he can't afford to get his hopes up. With a few dead but returned...He forces himself to breathe. "Make new memories."