Day 16 of not receiving a courtesy wave from Bay Area motor bicyclists

I fear that this may, alas, be becoming a forgotten custom. I have always watched for it with great anticipation, yet of late, it seems to have fallen into neglect. I shall make another attempt upon the morrow, though should this regrettable state of affairs persist, I fear I may be compelled to reconsider my generosity and cease granting them that additional three feet of space.