Final answer:
The concept emphasized in the statement is the need for privacy and discretion.
Step-by-step explanation:
The concept emphasized in the statement, "3 things to keep in private: 1. Your love life 2. Your income 3. Your next move" is the need for privacy and discretion. This statement highlights the importance of keeping certain personal information private to maintain security and protect one's personal life. Sharing too much personal information can lead to various risks and potential harm. It is essential to exercise discretion and only disclose information that is necessary and relevant in different situations.