1) Communicate openly about your feelings. 2) Set clear boundaries. 3) Reassure your partner of your commitment. 4) Encourage them to work on self-esteem. 5) Maintain transparency in your actions. 6) Address the root cause of their insecurity. 7) Avoid situations that unnecessarily trigger jealousy. 8) Encourage individual hobbies and friendships. 9) Seek professional help if the behavior persists. 10) Consider if the relationship is healthy for you.