Chant this slokam of Sri Hanuman,
Asadhyam Sadhaya Swamin Asadhyam Thava Kim Vada Ram doota kripa sindho Mat karyam sadhaya prabho.
It means: Oh Swamy who makes the most impossible things possible,what is there impossible to you. Oh, most benign messenger of SriRama, please help me to realise my thought/ need.
Bhagwan knows what is the best for you, and if this is it, you will definitely get her. keep faith, take a strong decision to correct your mistakes in future. You are very young and you have many things to plan about. Concentrate on your studies and build up a bright future. Have faith and confidence, everything will happen on its own. God Bless you.
असाध्यं साधय स्वामिन् असाध्यं तव किं वद
रामदूत कृपासिंधो मत्कार्यं साधय प्रभो