Perseverance.

Is it always worth it to seek out that lost friend? Perhaps.

Of course, when they are a preposterously uncivilized plebeian and a vapid irredeemably boring odious leach-covered glob of quivering slime, the answer is a resounding no.

Metaphorically speaking, that is.

I offered my services of teaching to someone recently, we shall see if the Rogue-To-Be is worthy.