You know you're obsessed with FF7 when

[Super Sepiroth]

Play the various tunes on musical instrument when you're bored

Check these out lol

YouTube - Tour de Japon - Aerith's Theme

YouTube - Final Fantasy VII Piano Collections - Those Who Fight

YouTube - Final Fantasy VII Boss Battle Theme, on Piano

YouTube - JENOVA - Final Fantasy VII (Piano Collections)

and my personal favourite

YouTube - Final Fantasy VII Boss Theme on guitar=