This lunchtime I got the wave from a chap in a dark purple Mito, with a bigger exhaust than me (AND it was over taking me) on the A14 westbound past Stowmarket.
I casually waved back, then panicked, thinking he hadn't seen me and would think I was rude/aloof/arrogant, started to wave manically, then came to my senses and stopped, a bit embarrassed. Not as simple as I thought, this Alfa wave lark. God knows how I will handle being rejected when I instigate a wave. Hopefully in a cooler manner than today.