so I want to sign off - "ok, thanks for the passive aggression" or some such and leave it at that ... but that sounds a bit bitter ... like it got to me.

Any suggestions?

edit

said this in the end

We'll alright then, you choose to lie and fail to keep a simple agreement. My opinion is you clearly remember what it is I was going to apologise to you for, hence the passive aggression. Never mind, wishing you well, take care