Sickle Cell anemia - SS is the most common subtype, SS is the shorthand for having 2 copies of the gene, which means you have it, or one copy of the gene, AS, a carrier, or AA, no defective genes.

To respond to the OP, there are no guarantees in life when it comes to health, or fate for that matter . No one would find love if they worried about possibilities. Who says you won't be the one to get sick, from cancer or heart disease or MS or whatever. No guarantees, just faith that you will get through it with love. If you love her, love her and be there for you, as she will love you. For better or worse, in sickness and in health.