Yesterday I got called by my dentist, my cat’s vet, an apartment I had emailed inquiring for an interview. All within 5 minutes of each other! Talk about anxiety overload.

it's either 3 things at the same time or nothing for 4 hours

The whole point of text messages are that they are asynchronous - you don't actually have to answer them right away, take your time.

Anyone in need of an immediate answer should choose a synchronous mode of communication.

when I get emails from 2 PMs at once