Been playing for a few years - still don't understand Warlocks

[schm0]

Or more than one between them. A common myth is that only there is some expectation in the DMG that there be only 2 short rests per day. The DMG never says or implies that.

Mine does:

In general, over the course of a full adventuring day, the party will likely need to take two short rests, about one-third and two-thirds of the way through the day. DMG p. 84