I've been so worried about the small affair I had last month that now I feel so relieved that I've gotten it off of my chest.

I've been so worried about the little affair that I had last month , that now I've got it off my chest I feel much more better now!

I've been so worried about the short affair I had last month , that now that I've got it off my chest I feel relieved (Or, 'I feel much better')

Hello Sir, My name is Farshad Farzami from Iran. My major is English Translation(Interpreter),So if you want to speak English with me you can add me on your skype. My Skype is : farzami_farshad My E-mail Address is : [email protected] Best Regards, Mr.Farzami