Before everyone else says it, and speaking from experience of posting these things, "you shouldn't say 'I Love You'".

Well, that's not my thought. If you haven't told her that already, then go for it. Carpe Diem - do you want to live to regret things you didn't do, think of things that could've been, or do you want to get out there and do it?

Good luck with it all, mate.