1st solution to your problem is Get married ..!!
2nd Solution is change yourself, if u really want a sincere friend, change your mindset, attitude keep a breathing space in a relationship,and don't show her your sincerity, let her feel it..!! and time matters alot, many broken strings in a relationship get tied again after a period of time..!!!
3rd solution i already told u, jo DEVI kahe wohi karo..