I never learnt to spell very goodly (& too lazy to look it up).
Talk to you later, the bell just rang & it's time for me to put away my crayons for nap time.
Edit:
ob·ses·sion
[uhb-sesh-uhn] At least I didn't spell it this way!!!
–noun
1. the domination of one's thoughts or feelings by a persistent idea, image, desire, etc.
2. the idea, image, desire, feeling, etc., itself.
3. the state of being obsessed.
4. the act of obsessing.