Shepard waggles one hand in an 'eh' gesture. "It's closer to a century and a half for most humans." Medicine has improved in her particular version of the space future, though 50 years is still a rounding error for a Cybertronian.

"What were you fighting over?" She'd have asked if they even remember, but if Drift was there when it all kicked off, then they probably do, on a deeply personal level.