"I do run a research lab that investigates the correlation between memory and emotion in magic, which means I know quite a good deal about how it works." Officially he wasn't allowed to say more than that and Samara didn't need to know that his proficiency had nothing to do with his professional role. She wasn't the only one who kept secrets in this marriage. If anything their whole relationship was speckled, but not necessarily marred by them. Some mystery was good and while he wanted to know everything, it was the quest that really kept him going.
"And the more realistic that we could recreate a memory, the more likely it will act how they do when they are in our heads." That was what it came down to. These memories weren't obeying any of the stupid rules that he had tried to bend and break for years. It wasn't fair there was something out there potentially more powerful than him, just like it wasn't fair that he didn't actually get to know what human flesh tasted like, just had strange nightmare-memories about it.
"So, really unless you are willing to kill someone for their memories that would be the best route to go." He almost asked if she had access to a dead person's memories, but decided against it. Eli opted to raise the stakes of this conversation just a little bit higher because they were here now and why not give things a little push?