People are not what they seem!

Have you ever had this experience in which you talk to a person just a little and then one day you really talk to them they are a whole different person.its like what you have thinking the whole time was wrong.Like you think that you know a personwho you barely talk to in class but one day you really talk to them and its like they are not what they seem like.Or its not what you expected them to be its the whole time you were worng about them.This can be either positive or negative change that you think about a person's personality.I think it is true that you never know a person unless you step in their shoes.It really is true because I just realized that:!