Complex sentence: She and Sanjay shared the work on the stall and care of Sharmilla, leading Sanjay to think it was only a matter of time before he and Gita got back together.
Split into simpler sentences: She and Sanjay started sharing the work on the stall and the care of Sharmilla. This led Sanjay to think that it would only be a matter of time before he and Gita would be back together.