Learn, Teach English Idioms: A sweet tooth

Conversation Girl 1: Hey, you know it s Ryan s birthday next week I wanna get him something. Girl 2: Ok well, what do you wanna get for him Girl 1: I don t know. . what about. . a nice shirt Girl 2: A shirt Well that s fine, but what happens to it after 2 years It ll be old and out of fashion. Maybe you should get him a photo frame. That ll be nice, isn t it Girl 1: A photo frame Nah, that s so boring. Girl 2: Oh, the new iPhone 6s just came out. Should I get him that Oh, but it s so expensiv