I hate it when they book, behave perfectly the first booking-great comms', give plenty of notice, all goes well..and then the following time? They suddenly become timewasting morons!
Going AWOL or ghosting me during arrangements, getting 'called into work' (10am Sunday and they are a Bank Clerk for example 🙄)
No idea why some of them become such Dicks, but it's fun to send them to my block pile and watch their unsuccessful attempts to contact me again pile up
(my app gives a little red number at side of their name)
One chap is languishing on 32. He royally messed me around for weeks after visiting him twice (once claiming he had fallen asleep in the middle of the afternoon and in the space of him asking for a visit and my immediate reply)
Very childish, but satisfying