I love you darling.

I love you/I adore you/I want you to be mine/I'm totally into you/You mean so much to me/You complete me and so on for عزیزم you can say like this way= Baby,babe(زن),dearie,honey,darling my love/sweetie/sweetheart

I love you dear

I love you baby/honey

It is "I love you dear/honey".