Which one is correct, "you and I" or "you and me"?

.........you live long (may/might)

birthday wish

I am new here, I want to be expert on English speaking, reading & knowing grammar as well.. please suggest me anyone.. thank's a lot

hiii friends I want to know review of this app you like or dislike you like it so upvote and you dislike it so gave dvote ok

should i say 'going out to dinner' or 'going out for dinner'?

Which one is correct? "me and my friends" vs. "my friends and me" or "my friends and I"

which your favourite subject

aap kaha se ho

how many langues can you speak ??!