He has alot of respect for Margaery. Not only for her family, but that she has hinted of looking over Sansa, and he's pleased to know she's in good hands.
For the kiss, it was a bit of a shock for him, but he feels guilty for liking it given the fresh death of his wife. It's something he's trying to comprehend, given he's here and "alive" but dead in their home world. There's so much for him to figure out. But he's definitely curious to know more about her.
For the Doctor, she wishes she spent more time with him, since he's the Doctor, but is also scared given he's so far in her future that too much has happened without her.
Martha and Helena are probably her bffs - she loves talking to both and feel like they can relate to her and don't find her crazy.
Jane - she's getting to know her, so she's excited to see where their friendship goes and feels like she can trust her and talk to her about Dorian. She knows the two are friends.
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