At the World Championships Ju-Jitsu of 2022 in Abu Dhabi, I was invited to be there as referee coach. A honorable job to help referees to increase their level. I've done this with all my hart and got positive feedback.
For example: a experienced world A referee that says: Peter, you told me something and I thought “lets try out before saying something”. "But it works!!" "They should have mentioned that before a became world referee 😊 😊 😊 😊 I will do this the rest of my career."
Another example I saw on Facebook when I was home. Look at that lovely remark above the photo 😉 That makes my hart melt.