Many times my packed lunch includes an orange of the seedless variety cut into quarters, reassembled, and then wrapped in plastic wrap. About 5 hours latter it is eaten. On a regular basis, today for example, I have noticed that the orange tends to kind of "glue" itself back together again, that is there is some resistance to the orange coming apart where it was cut and I'm pretty sure the gluing occurs where the skin has been cut. This effect seems most noticeable with thicker skinned oranges. Could someone please explain what is going on. Is the orange trying to heal itself? Thanks for any help!