Second, some people have lives. I speak the parts that science requires.
Third, that's complicated. How long to me, or how long in general, or how long in which universe? I've been here a few weeks and we talked to you not that long ago when we called you for help with the thing we absolutely could have done on our own but had a time crush issue to deal with.
This is weird, even by my standards. And I have an actual evil doppelganger and am talking to you, who had an evil selfganger in another timeline.