You don't have to anymore if you choose that.

[He says it calmly. A memory may or may not hit him with what Dave is saying, but he wants to say that.]

That was going to be one of my offers. I intend on sticking to my side of not telling others anything they don't know already and telling you the memories I get. I was going to offer you the opportunity not to have to do the same in return, without me backing out of my end of it.