Yawning, sneezing, or even having to go to the toilet (if it's a very long meditation) are all perfectly fine. I often need to do one or more of these things during meditation, and everything is working fine for me. You should try to not interrupt mid-vibration though (for example, if you have...

I'll make this short. Provided what you wrote is true and sincere, I can guarantee you that you are not jewish. I had those attacks, too. A lot. And I have been told the exact same thing - 'If you worry about being a jew, it means that you aren' t one'. I know from experience that, back when I...