hum/ main (aap key)/ tumaharey pyar mey kho gaye/ gayi hain/ hun hum aap key pyar mey kho gaye hain (typical+classic+etiquette+language used by hindi purist)--- it is same for both boys/girls main tumharey pyar mey kho gaya(boy) / gayi(girl) hun. ----tumharey for someone very close main aap key pyar mey kho gaya(boy) / gayi(girl) hun. ----aap is also used for someone but with respect. (girls/ women usually call their husband/ boyfriends aap instead of tum)

Mein tumhary pyar me kho ga'i (for girl if she is telling) / gya (for boy if he is telling) hoo.

hey ...I will help u in learning Hindi.

mene khud ko kho diya tmhare pyar main,.,.,.this is the convertion of the above line in hindi,.,.,.,.