Question: What can I do to keep from being embarrassed by falling zippers?
Option 0: On the end of the zipper tab there's a hole, use a very small disposable type keyring to feed through the hole, then when you have fully zipped, clip that atop and through your button on the pants.
Option 1: On the end of the zipper tab there's a hole, use a disposable type key to feed through the hole, then when you have fully zipped, clip that atop and through your button on the pants.
Answer: 0