I suggested Olive Garden to my boss when a bunch of us were on a road trip, He said I HATE Olive Garden but we ended up going anyway. The next time, we went to an authentic Italian restaurant at his suggestion and I really hated it.
The "real" Italian food is too spicy and pungent for me. I try to eat it but it doesn't sit well.
I find spicy and pungent in general American taste to be anything but which is probably why it's too intense for you. Having grown up and traveled all over the world I, long ago, developed a taste for true ethnic flavorings, i.e. what Wendys, Taco Hell and Poopeyes call xtra spicy I call mild, what most here call garlic bread I call Wonder. (I wonder where the garlic is).
Most "Italian" restaurants in this country are not really Italian, they're an American hybrid just like most "Chinese" restaurants. Also not all real Italian restaurants serve spicy foods only, matter of fact some can be relatively bland by comparison, it all depends on what you order and which region of Italy they are serving.