Is the likelihood of developing depression higher when living with someone who has depression compared to living with a normal person?

In general, whether the likelihood of developing depression is higher when interacting with someone who has depression compared to a person without depression depends on the specific interaction patterns and individual circumstances. If symptoms such as persistent low mood occur, medical advice should be sought promptly. The detailed analysis is as follows:

When spending time with someone with depression, individuals with weak psychological resilience may face a higher risk of developing depression than the general population—especially if they are constantly exposed to the other person's negative emotions and lack effective ways to manage their own emotional well-being. Negative emotions can be contagious; continuously listening to pessimistic thoughts and bearing the stress of caregiving may lead to emotional exhaustion, triggering symptoms such as anxiety and low mood, thereby increasing the risk of depression.

However, individuals with stable mental health who adopt scientifically informed approaches to interaction are not at increased risk of developing depression when supporting someone with depression. By maintaining healthy boundaries while offering support, actively regulating emotions through exercise and social activities, and seeking professional psychological help when needed, one can effectively assist the other person while preserving their own psychological balance and avoiding being overwhelmed by negative emotions.

Set aside dedicated time each day for activities you enjoy to replenish your psychological energy. Regularly communicate with family and friends to share your feelings and concerns about the relationship. Maintain a regular sleep schedule and balanced diet, avoiding neglect of your own health due to excessive focus on the other person. If symptoms such as low mood or loss of interest persist for more than two weeks, seek help from a mental health professional promptly.