Malia, please correct me if I'm wrong, but I didn't see an edit line at the bottom of the post that would indicate that the actual story was added later. It's pretty clear that it was not saying "I don't have time to do it now," but that the first five lines were used to create an environment of excitement. They are an attempt to draw people into her own excited state.
If anything, it seems clear that she didn't wait to post about her find to gather all the information she wanted to share. Instead she just pours her initial impressions down and expresses in her last line that she's still caught up in the moment of it.
Where's the waiting and the decision that she doesn't have time?