The fear of losing is the reflection of love

You have never truly loved someone if the fear of losing them has never haunted you. You cannot love someone with a dry, rock-like, emotionless, and feelingless heart. Your heart needs to possess love so that you can offer it to your companion or others.
Remember, you can only give and share what you have. If you don't have love in your heart, you cannot offer it to others. Relationships are very sensitive; they require love and care. You have to hold your companion's heart with kindness and understanding.
I understand that the fear of losing someone is a daunting thought, but you are bound to encounter it when you're in love. That fear keeps your emotional connection with your companion strong and allows you to love more deeply.