Or to put it another way, the present tense use did not grammaticize. I suggest that the reason for this is that the habitual was more frequently used in the past than the present, since in the present there would be fewer cases […]

There is diverse of his gentlemen stolen away therefor, and some are comen to Calais, and one of them is sent to our sovereign lord and king.

the sect of Philosophie, that hath most preferred sensualitie, hath also placed the same but to indolencie or unfeeling of paine.

Many people who engage in netsex say that they are constantly surprised by how emotionally and physically powerful it can be.