I was with someone whom if I turned my head in the direction of her phone just casually, she’d reflexively turn the phone’s screen away from me. It kept happening. One day after it’d just happened again, I asked her calmly why she does it. She angrily threw the phone at me to check whatever I wanted to check. I knew she was cheating of course. Nobody defends the right to unquestionable privacy more than a chronic irredeemable cheat.