I'd say B. Immune suppression.
Answer:
1.) Stress pileup - when several stressful events occur at once or over a long period of time
2.) Golden rule - principle that states that you should do unto others as you would have them do unto you
3.) Rule of five - idea that five compliments are needed to undo the damage of one critical remark
4.) Chronic - lasting for a long time
Emotional intimacy is important in a relationship because it refers to the openness, sharing, affection, and trust that can develop in a close relationship.