it's birtanem :) bir meaning one- my one and only.....I'll tell you more to say to your boyfriend =]
-Bebeğim - My baby
-Aşkım- My dear/ my love
-Ruhum- My soul
-Bir tanem- My one and only
-sevgilim- My darling
-canim-my honey, my sweety
-Tatlım- my sweety , My honey
-Hayatim- My life
-Her şeyim-My everything
=]