When the narrator sees her parents dancing, what does she realize about "gravity"?
a. that love connects people together, like gravity
b. that her rebellion is changing her forever, like gravity
c. that it is impossible to resist being puerto rican, like gravity
d. that poverty is tearing her parents apart, like gravity?

When the narrator sees her parents dancing, she realized that love connects people together, like gravity. The answer is letter A. Through dancing, her parents can express what and how they feel about each other without getting something in return. Like gravity, every person on earth is attracted to the earth and this is what the narrator saw. 

Sorry wish i could