The study seems to use more nonobjective language than the headline but the main benefit seems to be from have more stable social connections versus isolation. It doesn't state the being married has unique benefits over staying single of that makes one happier.

However, people will draw their own conclusions based on their experiences and preferences..

Not all marriges have to be that way. There is awlays a compatible person out there you just gotta find em. good luck in your future endeavours