Is it normal to think single people are happier?

Recently I've taken to analysing couples, not fictional or celebrity ones, just real people I know and I'm honestly starting to think that single people are (sometimes without realising) happier.

Frankly their partner wastes their time, they become obsessed believing they're dating a shinning beacon of a person who in reality is a fairly generic run of the mill individual, but they memorise every insignificant detail of their sweetheart's life, becoming a walking encyclopaedia on their life and lack-of-works. And don't get me started on the hours of melodramatic analysis over every questionable move they make.

Dating someone places restrictions on how they live their life not only do they feel that they can't drink, go to clubs or talk too much to the opposite sex but they seem to pathologically need to update each other on what they're doing, where they are, who they're with, giving a non-stop narration of their life to their partner at the expense of actually living it. This doesn't cease even when they're at one-off events like concerts and expensive foreign holidays.

Finally relationships come with the heavy weight of compromising on future dreams, I've seen people turn down studying abroad to avoid being parted from their partner.

Basically I think single people can actually live their lives without bending over backwards to accommodate their mediocre partner. Yet most of them end up pinning for the never ending compromise that most relationships seem to morph into once the honeymoon ends. Thoughts?