How do you know if someone love you or not?

If you love a boy,what would you do? You love a boy,and he may love you ,but he never said "I love you "to you.He is a shy boy,and you are also shy.Both you two are wating another to say "I love you "first.what should you do?I s this boy worth to be your friend ?

If a boy who you don't like always asks if you could be his girlfriend,what will you do? this boy is your good friend,and always helps you ,but you don't like him.Every time you give him a hint that you don't like him,but he sents messages everyday even though you don't reply.what should you do?

what dose "Van tee've"mean?

if my teacher dosen't teacher very well,how can i give him a suggestion politely?

how to start a conversation with a person that you met for the first time?

my new term is begain,but I don't want to study anything,how should I do?