you simply got to get it out of your head that you're damaged goods. you've got some dings, some fears, but we all got them to different extents.
there is nothing wrong with being honest with her, she has to know what you've been through, you can tell her you're not ready for the big dip in the pond, but you'll be more than happy to stick your toe in from time to time to check the waters.
try not to miss out on good things because you got burned in the past, it gives the past too much power.
