Again, I fail to see your logic here, a superhero can only be involved with someone inherently extraordinary? Why? Narratively it's not essential, and plotwise it's not either.
Trying to raise Lois on a pedestal as a counterargument doesn't remotely convince me, since Terry is shown to be loyal, loving, kind and a devoted father, and on a personality level, I rate those as highly as being an investigative journalist. It probably a subjective thing.
Superheroes are, essentially, ordinary people too, with ordinary likes and dislikes. He doesn't need to be "worthy" of her, he just needs to be a good man, which all instances and statements indicate he is.
Peter Parker and MJ, Cyclops and Madeline Pryor (That ended badly)