Looking on the internet deeply has found these results:

I’m terrible is the most popular phrase on the web.

I felt terrible 1555,000 results on the web	I’m terrible 11,570,000 results on the web More popular!
Some examples and use cases from the internet:	Some examples and use cases from the internet:
I was trying to protect Julie from the burden of my mother and because I felt terrible about leaving her there. When I heard what happened to Barry, I felt terrible about turning him away. Believe me, I felt terrible. You did look so sad yesterday, and I felt terrible. I felt terrible about what we were doing, but I didn't know how to stop it. And I felt terrible, but he didn't get mad because he knows his fuzzy back is one of the things I love about him. And of course, afterwards I felt terrible... just as you said I would. I felt terrible, max.	I'm terrible at speeches, so... For this reason, I'm terrible at poker. No, I'm terrible with jokes. Because it's either that or I'm terrible. I'm terrible at first impressions. I'm terrible at having a relationship that involves any level of honesty. Since my retirement, I'm terrible about bookkeeping. I'm terrible at breaking bad news.

I felt terrible

1555,000 results on the web

I’m terrible

11,570,000 results on the web

More popular!

I was trying to protect Julie from the burden of my mother and because I felt terrible about leaving her there.
When I heard what happened to Barry, I felt terrible about turning him away.
Believe me, I felt terrible.
You did look so sad yesterday, and I felt terrible.
I felt terrible about what we were doing, but I didn't know how to stop it.
And I felt terrible, but he didn't get mad because he knows his fuzzy back is one of the things I love about him.
And of course, afterwards I felt terrible... just as you said I would.
I felt terrible, max.