what's your opinon in devotion within a marriage?

怎样翻译“论夫妻双方的忠诚”

how to translate"还有多久你就要上学了"

how to translate"我想你可能不知道"，“我这边的信号不好”into English?

how to translate"荣幸至极"

Do you make friends here based on what does she or he look like? will you ask your partner's photoes?

which brand do you perfer to buy a bag?why?

Do you think whether is worth your month's income to purchase a wallet? Actually,I take no interest in a wallet and I don't know why some people are willing to sacrifice so much money for a wallet.Is it worth doing that? If I make some mistakes in the expression,I hope you can correct me.Thanks~~

which buying methods do you perfer? shop in real or online? If there are mistakes in this sentence,I expect you can correct it,please.