The process of enlarging the opening or lengthening the frenulum takes time. Going too far would be require complete ignorance of progress. Permanance comes only though the growth of new cells, and that requires that tension be applied for several days. When you begin the process, your skin will be fighting your efforts to make it grow, so that's why we coach you to persist.
My opinion is that you'd be better off if you were to bit the bullet and do it. However, leaving it as it is will not harm you in any fashion and you may like how it serves you.
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