This meme might be found humorous because it exaggerates the discomfort introverts often feel during phone calls, playing on the widespread notion that introverts dread interactions that demand immediate response, like phone calls. The third panel humourously suggests that after the ordeal of the call, introverts need time to 'recover,' as if they had experienced a significant hardship, which people can relate to as an overstatement of trying to recharge after a draining social interaction.