Collapsing the waveform again's the easy part. It's making sure we all get back to the right layer of reality that's hard. Take us - we know we're from different timelines, because you remember us being on the same team, and I don't. But say someone else wakes up with the same sequence of memories you have. Are you from the same timeline, or are they from one that's identical except for the fact that the entire continent of Australia is populated by sentient seals? You wouldn't know unless the topic of a world fish shortage came up.

[He pauses, then shrugs.]

And I haven't forgotten you - we just haven't met. Possibly because while Pym's published a few interesting theories, none of them have borne out anything concrete yet. A change in the order of inciting events would change how and when thing play out.