Most Helpful Guy
There is only two options.
1: Deal with it and carry on being only her friend. Whether you suffer or not is unclear at this point in time.
2: Leave the friendship in order to release yourself from getting weighed down.
This is assuming you will ask her first and get an answer from her. Its important you open up to her. if she says yes, then there is nothing to worry about and you can forget about either option listed.