For some time, we've been told women over 50 should not wear our hair long. We're told it isn't appropriate, or that it ages us, or that it just looks "desperate" (barf). We're here to prove that none of that is true. If you love your hair long, your happiness is worth it — and it will show in your everyday attitude.Whether you have straight hair or curly hair, and whether you are over 50, 60, or 70, choosing a long hairstyle should be up to you, and you alone. When we feel comfortable with…