She's not interested and might be letting you down easy, as best she can. Not all people are gifted at navigating the dating world or other human beings. You've let your intentions be known, move on and if she is interested she can come to you. It sounds like you need to find someone else to give you the answer you want to hear, they are out there, go find them.
If water rots the soles of your boots, what does it do to your intestines?