What does it mean to have never met an ungrateful person in my life?

No matter for men or women, I hope I can have a happy love without meeting someone who disappoints me. So I'll tell you what it means not to meet ungrateful people in my life. Never meet an ungrateful person in this life, that is, never meet someone who disappoints you in this life. This is an emotional problem. Everyone wants to meet their true love, but feelings are not so simple, and there will be many hardships waiting for you. Through the above introduction, I believe everyone already knows what this means. what do you think? Have you ever met anyone with a broken heart in your life?