If Bluetooth (especially on Mavericks) refuses to connect and cannot be switched off it can be restarted (without having to reboot) using these commands from terminal...
I usually write a blog post about once a week. The latest post can be viewed here: A Different View: People whose ideas differ aren't bad, they just have a different view. (posted 2025-07-22 at 19:45:45). I do podcasts too!. You can listen to my latest podcast, here: OJB's Podcast 2025-07-18 Too Many Road Cones: I think it is clear, there are too many road cones!.