Answer:
Tall in the morning, short at noon, gone at night. But I'll be back soon.
If you're stealing honey, be prepared to receive vengeance in this form.
Always old, sometimes new. Never sad, sometimes blue. Never empty, sometimes full. Never pushes, always pulls.
In buckles or lace, they help set the pace. The farther you go, the thinner they grow.
By Moon or by Sun, I shall be found. Yet I am undone, if there's no light around.
If itβs information you seek, come and see me. If itβs pairs of letters you need, I have consecutively three. What am I?