I’m dating a woman now who, evidently, is unaware of it.

Shandling’s line is a compact example of his self-deprecating, meta-observational comedy: the speaker claims romantic success (“I’m dating a woman now”) and then instantly undercuts it with the revelation that the relationship exists only in his own mind (“she…is unaware of it”). The humor comes from the abrupt reversal and the implied loneliness or social awkwardness beneath the bravado. It also satirizes the way people narrate their lives as if they are the protagonist of a story, even when reality doesn’t cooperate. The joke’s sting is gentle—aimed at the speaker’s delusion rather than the woman—making it a classic Shandling move: exposing ego, insecurity, and wishful thinking in one breath.