You Must Do an Absolute 100% Dry Run Test of EVERYTHING for Any Important Event or Presentation. Assume Nothing Will Work Right. Be Paranoid.
I can not tell you how often I’ve seen people screw the pooch or shoot themselves in the foot all because they didn’t completely 100% test EVERYTHING prior to some important thing they had to do.
Not having batteries, not having the right cord to connect your laptop to some projector, not having the right software to connect your system to another system, having some software update change your settings and screw up your program, forgetting to account for timezone differences, having the incorrect phone number or web meeting address, being unsure as to who is doing what, missing some widget…
Obviously if they are trying to take your money or being abusive then run don't walk away, but long term friendships go through changes just like any relationship. Life happens.
It's hard to maintain friendship with someone who spends the first 5 minutes of contact scolding me for not calling more.
On the other hand, my best long time friendship is so chill. We can go a year without talking and still just pickup where we left off. The only way to have a lifelong friend is to stay friends.