It Must Be Moved or It Will Be Lost
Nature is implacable. Oftentimes, it will push other objects aside in order to survive. Occasionally, nature even pushes other forms of life out of the way. Or, in this case, simply go through it. For whatever reason, this plant chose to eat this sad leaf whole.
Although it lacks the cognition necessary to make that choice on its own, we’re nevertheless astonished it speared straight through the leaf rather than simply pushing it out of the way as it developed. I’m guessing the leaf was equally obstinate!