Sounds like a lot of work.

Isn't there an app where I can just order a temporary friend for a few hours.

Uber Friend.

I'm working on a decentralized open source Meetup alternative where people can find social events and meet new friends. https://codeberg.org/createthirdplaces

> Isn't there an app where I can just order a temporary friend for a few hours

there's two. Only Fans and making an appointment with a therapist (basically a professional listener/friend educated in helping you help yourself).