What would a psychologist call it when members of a couple talk about their sexual lives with one another?

Tracy is excited to travel to Portugal so she can learn more about her husband's native country. She has learned some Portuguese phrases to help her communicate with his friends and family. This is an example of __________

a. self-reflection b. self-expansion c. self-esteem d. self-confidence

Language has been defined as a system for communicating thoughts and feelings using ____

a. ?arbitrary signals such as phonemes, morphemes, and grammar b. ?objective signals such as phonemes, morphemes, and grammar c. ?objective signals such as voice sounds, gestures, or written symbols d. ?arbitrary signals such as voice sounds, gestures, or written symbols