Dark Midnight Whisperer
hmmm…that's prob. what's it was then…I wonder how Abraham and co. find Maggie and co.? I mean I thought they all went diff. directions…unless if they're all go'n to the same direction towards terminus..o.0 plus why did Maggie tell Glenn that he won't ever need the pic. of her? o.0 not like he's gonna die or anyth'n…
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During the episode Glenn finds signs that Maggie left for him. So he knows that Maggie must be walking along the same track. So he stayed on that track to catch up to her. So they were on the same track.
When Eugene made Rosita drive around until they stopped on the train tracks he had calculated that Glenn and Tara would be showing up eventually. They simply drove around the tunnel after finding the car. While Rosita and Abraham are fighting Eugene sees something on the tracks and calls out to them. What it very likely was was Maggie, Bob, and Sasha emerging from the tunnel. Off screen we can only assume that Abe and co. realized that this was Maggie, they told her that Glenn was in the tunnel, Maggie knew the tunnel was unsafe and raced back inside. So they all showed up in time to save Glenn and Tara.
And Maggie told Glenn that he didn't need a picture of her because they would never be apart. That was her thinking. Maggie is undoubtedly determined never to become separated from Glenn again. And, since they will always be together, there is no need for a photograph. She'll always be right there for him to look at. That is the sentiment.