This is not a trick question. Really, think about the question again –
“Who owes you a big one?”
In fact, in the next minute or so, can you think of a dozen people who owe you a big one?
If you can’t come up with any names, it is time to re-visit your social currency. You have to give first to get something. If you have not given anything SIGNIFICANT to anyone recently, you won’t have anyone in the list for the answer above.
Rather than thinking about why this is the case, may be you can invest your energy in making some changes. What could you do in the next 60 days to positively change the answer to the same question:
“Who owes you a big one?”