Post: #1

If you're chatting with a girl and the topic of what she does for a living comes up, just say something like, "No kidding? I used to date a girl who was a [blank]".

She will immediately frame you as the type of person who dates people like her.

Post: #2

Creating/finding common ground in general will make someone more comfortable with you. This applies to anything she says e.g. I just visited Spain. Oh, cool, a friend of mine just returned from there.