First you procrastinate on the task because it is not a big enough deal to get done urgently. Then you procrastinate on the task because it has become such a big deal that doing it is overwhelming. You would think that this implies a middle point where it is just big enough of a deal to get done easily, however the inherent perversity of the universe's causal geometry prevents this
My one friend group can't stop saying, "See you in hell!" in a cheerful voice instead of, "Talk to you later!" and my other friend group can't stop calling things "penis" instead of "cool" or "good", so I just unironically uttered the phrase, "Sounds penis, see you in hell," as I got off the phone.