Originally Posted by MonoVCPHG
Imagine being with a partner who couldn't understand you're feelings because they had never experienced them. Imagine trying to communicate a very real concern that affects your reality to someone who can only approach it from the description of a feeling in a book. Imagine how hard it would be for them to rationalize how anything they did could affect you so intensely. You can't truly understand an emotion until you experience it.
This would be my concern with a person incapable of jealousy or who hasn't felt it before. Jealousy is normal, human, and manageable. It is as real and valuable as any other emotion; being able to direct it is the key, similar to utilizing fear positively.