You should get consent from somebody before kissing them.
Bob visits his mom during the COVID-19 pandemic at her house, who meets him at the door wearing a mask.
Bob wants to greet his mom.
Bob walks up to his mom and gives her an elbow bump.
Bob walks up to his mom and gives her a hug and a kiss on the cheek.
Bob's mom feels safe from catching COVID-19.
Bob's mom freaks out and thrusts him away, then disinfects her cheek.