First you have to witness that you are stressing out: Oh, my trigger is here. The news is stressing me out or This line is so long. Let yourself feel it. You don't want to spiritually bypass these problems. Give yourself a couple of minutes to sit in the feeling. Acceptance sets you free from the stress of expectation.
It turns out that dopamine is a chemical on double duty in the brain. Along with its role in motor commands, it also serves as the main messenger in the reward systems, guiding a person toward food, drink, mates, and all things useful for survival. Because of its role in the reward system, imbalances in dopamine can trigger gambling, overeating, and drug addiction - behaviors that result from a reward system gone awry.
When certain parts of our bodies are touched, certain enzymes and chemicals that trigger sexual desire are released into our system. The more our bodies are stimulated, the more chemicals are released and the greater our sexual desire grows until it becomes a virtually unstoppable flood.