[header] How to deal with step parents and step siblings [title] Don't expect an overnight friendship. [step] You won't immediately become close with a stepparent, and that is okay. In fact, his or her relationship with you will never be the same as with your biological parents. 
If a stepparent is coming on too strong, let him know know you just want to take it easy for a while. There is nothing wrong with letting a relationship develop naturally over time.