Is it wrong to have a crush on someone?

If all the students of a class have the same type of mentality about
friendship and which is not the part of a real friendship so what
should I do?? Can I ever have friendship with them??

How do I get at least one true friend who is a strong believer and helps me have stronger faith in God?

What do I say to my friends who drink occasionally? How do I convince them it is wrong?

What if your friends and classmates ignore if we say no?

I am attracted to people with a good personality and not people with good looks. Is this "attraction" a sin and how do I stop feeling attracted to that person?

Should I be friends with only Christians or with others too?

I have a question that if my friend teases me in front of everyone than what should I do. Should I be his friend or not?