I'm sorry your having to deal with an std to begin with. You both agreed to go condom less.

I think your explanation is just way way too wordy to be honest, your repeating things over and over about pointing fingers and who is to blame etc. I doubt he is going make it past the first paragraph with out stopping to talk or get all upset.

Go with the first paragraph, all the other who might be to blame stuff..well you both decided no condoms so it doesn't matter who gave it to who.

You both have to decide if you want to continue the relationship.

I am glad that even tho any kinda of STD must be terrible to deal with , but at least this one is curable.

I hope you both able to have a discussion and figure out what each of you want.

Good luck