True, but the quarterly thing doesn't have to be a requirement and the beauty of of is that 3 months is a decent amount of time to plan for who's going and who

True, but the quarterly thing doesn't have to be a requirement and the beauty of of is that 3 months is a decent amount of time to plan for who's going and who is no going. I'd leave it to people to decide if they want to attend every quarter, or every 6 months or every year.