Final answer:
Emotional states like happiness and excitement can lead individuals to share their relationship status or events on social media when they experience these intense and positive emotions.
Step-by-step explanation:
According to the article, the two emotional states that can influence when a person posts about their relationship are happiness and excitement (Option A). Emotions such as happiness and excitement are subjective, intense affective states that occur in response to something a person experiences. These emotions often involve physiological arousal and psychological appraisal, which can manifest physically and are influenced by individual experiences, backgrounds, and cultures. When people are extremely happy or excited, such as after a victory in a contest or during a significant personal triumph, they are more likely to share their relationship status or news on social media or other platforms.