My first experience with an Oblivion gate was nerve-wracking - I attempted one probably too early, was still not wholly comfortable with controls or casting spells, etc. So trying to get through the first gate early in the game had me very tense. Plus it was genuinely creepy. When I finally closed it, I felt a sense of accomplishment.
Imagine my dismay, later one, when I was trotting back to the IC and what do I see on a nearby hill... another gate! :ahhh: (I had no clue yet about the gate spawns.

)