so, i was dating a girl for 6 months. we had just got back from a week in mexico together - that was by far the happiest, most amazing week i have ever shared with another person. she was pretty distant after we got back and i asked her about. she said you could feel my feelings changed for her in mexico; that when i looked at her or touched her she could feel it was more than what it was before. when we got back she did some thinking and didn't see this as a long term thing. i asked her a couple days later and she explained she just didn't have that connection, that spark. this is a person who a few weeks earlier called me in the middle of the night about how much she missed me - we hadn't seen each other in 4 days. i asked her if there was something else; someone else. it would make the pain so much easier, but she said there was nothing like that.
what happened? now, she is 24 and i'm 30. i want her back so bad. i want to give her some space and time. i'm thinking leaving her alone for a few weeks and then seeing if we can't go out for dinner, that maybe that time away and absence will re-ignite the relationship. am i being stupid? am i wasting time? or is this maybe what she needs? does anyone have advice?