Why do people always do this?

https://preview.redd.it/tjf53o9pho9e1.jpg?width=2910&format=pjpg&auto=webp&s=159bef0d20e66c3db6e209159a10ee4c6bb91965

The amount of people that just look at me with that deer in the headlights look after they tell me they are picking up for their spouse/sibling/parent/etc. and/or give me some strange backstory to them........ as If I have ANY idea who that is. Name and DOB sir, just give me name and DOB