Answer:
Both of them worry that the other person will take away his customers.
Explanation:
Jasmine and Simon both are competitors and running their business side by side. Jasmine has placed discounts on various products for its loyal customers. Simon was worried with a thought that jasmine could take away its customers and so he introduced loyalty reward cards for its customers.
From reviewing your notes, you can learn to understand all of these things to a certain extent, but in this setting notes would likely be most helpful in understanding the author's ideas.
The meal is so spicy that one could breathe fire and steam out after they finished it.