I look the phrase up in the dictionary, and I find that ask for the moon and cry for the moon are the same. They both mean that someone pursuit the impossible thing.

I think that #1 is correct ."My boyfriend" is a subject in the sentence; however, "me" is an object."And" is a coordinating conjunction so you should use the subject "I" instead of "me".

when the subject is a person, you can use that as a pronoun but you can't use which. when the subject is a thing, you can use both of them.

Hello, I will give some examples how to use which and that. ex: He likes the room which has many doors. Where is the gift which I took yesterday? I saw the girl and her cat that were walking in the park. This is the most