Stress, anxiety, fear, relationship tension, fatigue, low self-esteem, or health problems can all make it difficult to be close to your partner. During intimacy, emotional strain can have an impact on the body and psyche. Try to have honest conversations with your partner, avoid overanalyzing things, get enough sleep, work out frequently, and cut back on alcohol or tobacco use if you do. It's a good idea to get support and appropriate guidance from a doctor or counsellor if the issue persists for several weeks or is interfering with your relationship.