Some aspects of a paper affect its impact more than others, which suggests that your investment of time should be weighted towards the issues that matter most. Johnson DS A theoretician's guide to the experimental analysis of algorithms. This isn't a diary.
Good abstracts usually take many iterations of refinement to make sure the results fill the gap like a key fits its lock. What are the components of the argument?
Don't try to manipulate the data to make it look like you did more than you actually did. You would be wise to listen to them. If this is not the case, you need to add the reference.
The introduction summarizes the relevant literature so that the reader will understand why you were interested in the question you asked.