Don't turn them off. I don't consider myself to have rose colored glasses, but I wish I did. There needs to be a balance. Dealing exclusively in stark reality isn't healthy or helpful either.

You've been through a tremendous amount, and you're still going through it. Work at keeping positive. Put yourself around positive people. Do what excites you. Live. Work on building new relationship. It gets easier. Move forward. Set backs will happen just keep going forward.