Looking on the internet deeply has found these results:

i am doing it is the most popular phrase on the web.

i am doing on it 190,200 results on the web	i am doing it 18,820,000 results on the web More popular!
Some examples and use cases from the internet:	Some examples and use cases from the internet:
I know what I am doing and why. It's just what I am doing. I think I know what I am doing. I am doing exactly what a commander in my position would do. I'm not at liberty to divulge exactly what I am doing on C Deck. Trust me, I am not not doing it on purpose. I am doing some academic research. And you better believe, I am doing it just for me.	On the other hand, I am doing it anyway... so let me suggest before you talk divorce, at least consider a separation. And you better believe, I am doing it just for me. I am doing it for Thea. Mr President, this is the first time I have given an oral explanation of vote, so I hope I am doing it correctly. And I am doing it with your belt. Maybe not, but I am doing it. I am doing it because I'd rather have one person who really, really loves our product than a thousand totally satisfied customers. And you better believe, I am doing it just for me.

i am doing on it

190,200 results on the web

i am doing it

18,820,000 results on the web

More popular!

On the other hand, I am doing it anyway... so let me suggest before you talk divorce, at least consider a separation.
And you better believe, I am doing it just for me.
I am doing it for Thea.
Mr President, this is the first time I have given an oral explanation of vote, so I hope I am doing it correctly.
And I am doing it with your belt.
Maybe not, but I am doing it.
I am doing it because I'd rather have one person who really, really loves our product than a thousand totally satisfied customers.
And you better believe, I am doing it just for me.