1. Fear of being hurt: Men may have experienced emotional setbacks or failures in the past, causing them to feel fearful of investing in relationships and worried about being hurt or disappointed again.
2. Consideration of responsibility and commitment: He may realize that once he becomes emotional, it means taking on more responsibility and commitment, which he may not currently want or be able to undertake.
3. Maintain rationality and independence: Some men may tend to maintain a certain distance emotionally, believing that this can handle affairs more rationally, avoid emotional influence on judgment, and also maintain personal independence and freedom.