I think the answer is
1, 2 - Some say my first two is about.. is about.. arghh.. leave that
Re - used in a formal letter to mean regarding/about.
3, 4, 5 - When friendship is broken, you will see some part here.
sea - "Friendship is like a sea. You can see the beginning, but you can't see the end." - Gomez
4, 5, 6 - Listen carefully.. No. No. I am not going to tell it to you.
ear - which is used for listening, but we're not going to be told that.
3, 4, 5, 6, 7, 8 - Do it now. You will get the answer.
search - To get the answer, you need to search for it.
7, 8, 9, 10 - If you hit that, you did that.
chin - to chin somebody means to hit or punch them on the chin.
11 - No need if you found 1,2,3,4,5,6,7,8,9,10 and quote.
researchin' - dropping the 'g' at the end of a word and replacing it by a quote is a common part of speech.