Nothing is a waste of time. Good people, difficult people, bad situations, difficult moments, struggles, heartaches, challenges, they all help you grow, help you learn, give you lessons & give you precious wisdom. They prepare you for your future. They give you insight in order for you not to take the same paths, knowingly you been down that road before and it had once lead you to grief and despair. A failed relationship teaches you to let go and move on. That turns into strength and confidence and manifest itself into self love. All the while you learn to give yourself stronger boundaries and caution yourself to healthier relationships in your future. It’s not a guarantee that you won’t get hurt again but this wisdom and growth will help you in all other your aspects in life. It’s a hard fact to accept but hardships make you grow and make you stronger. If it challenges you, it will change you for the better.