This is based on attachment theory and relationship psychology. Something to think about. 

• Love cares about the other person’s happiness, even if it’s not always about you.

• Obsession is about needing the other person to make you feel okay.

• Love sees the real person — their flaws and strengths.

• Idealization sees only a fantasy version of them.

• Love gives space and respects boundaries.

• Obsession fears space and clings tighter.

• Love grows stronger with time and challenges.

• Obsession weakens when things don’t go perfectly.

• Love feels calm, steady, and safe.

• Obsession feels urgent, anxious, and unstable.