It's not about what you are to do next. It's more about what they are likely to do next.
Since we can now see she is looking to reconnect and/or see if you are stiill available/accessible to her, (and this was caused by what you were doing) you continue to do that to show her you aren't. That increases the interest.
If you are curious, look for Coach's posts on catnip.
If you need to fill time (and you have TIME), have you read the "What Women Find Attractive" thread?
