User blog comment:Solomus-BlackWing/A Legacy (Pt. 2)/@comment-2253300-20140415231910/@comment-4964060-20140415232325

A similar case to your first example is Gregor Eisenhorn, at least that's how I see it.

The second reason is far more interesting to me, because they didn't just decide to leave one day to pursue radical endeavours. This idea has the potential for buildup in bitterness, hatred, and character development.