Are relationships really that terrible?

https://www.youtube.com/watch?v=LtU5hzfHvd0
https://www.youtube.com/watch?v=oltjYiXvMnY&t=10s
https://www.youtube.com/watch?v=sc-6ChAKBV4
Just a short question, are relationships really that terrible? I mean the way this channel puts them makes it sound like severe doom and gloom.