Dear my girlfriend cheated with me..what should i do...i m love with her with pure heart

Hyy mam.. I m in love.. But girlfriend is cheating with me I m in love with her pure heart.. I don't know what should I do I m depression

Sir , Honestly I'm aa merit student ...I scored 95.1 percent in boards , 94 percentile in jee main and around 70 marks in jee advanced....Honestly sir career is going good....But sir , Coming to my relationship I've aa girlfriend ....She is also aa merit ....She scored the same percent in studies just like Mee...We've been in relation for 1 and half year from my 11 th class onwards....As 12 th is ending up boards mains and adv exams coming up ....There has been distance ...Like her parents were strict ...So I couldn't get time....I felt like she is ignoring me for her career ...but honestly sir she didn't think abt Mee....She always think abt only her career....So fights and all....But we use to get close again after every fight....But She behaved strange like she was done , when fights were going on....and she left Mee 2 days...just because of problems going on with me in my tough times....She left me like anything....I did love her soo muchh and she betrayed Mee...I'm soo much depressed I just want her to come back for Mee...but she doesn't.....because she never loved not even aa drop of tear...she told me this that she doesn't need to cry because she don't love me anymore....Sir how do they just leave like that....Girls In the society are like this rn....I'm soo muchh stressed and depressed sir....What do u say sir ?

My girlfriend cheat on me with other men

My age is 30 gf is also of same age ..we have caste issue and she is being hindu..but we love each other deeply ..we are in strong seriously relationship since 5 years ..but suddenly now she has cheated with me with a guy of same caste and too rich..now i am devasted ..i have done everything for her she asked for and i have given my blood sweat and tears to work it this relation into marrige...since i found out my gf had cheated on me i am not in myself..my left chest always has mild to severe pain when i think about her .it is just sudden change of emotions..when i am doing my work i forgets about her but not able to focus and it is reflecting on my performance...please confirm what should i do now .she has said sorry multiple times ..but i cannot trust her the same way and not able to love her same way as it is use to be...though my feelinga for her never gonna die but this feeling only killing me please confirm what should do please