Re: Harry/Draco
If you're counting obsessive fixation then first year. If it's when I first started being attracted to you then fourth year. If it's when I started thinking about you in more than just obsessively fixated ways, sixth year. If it's when I realized I had actual feelings, then right after the trials. I always assumed you were straight. Until the astronomy tower.
Don't panic Potter, I'm not going to push you into anything you're ready for. I already promised that.