Do you really care if someone went onto insta and liked pix before sending you that 'Good morning' text? I mean, maybe, but if you don't know, you don't know. Sometimes ignorance is bliss, they say.
Next time you feel like mugging grandpa, think twice. He may look grey and infirm, but he's packing a million volts of incapacitating, jaw-clenching self-defense.