A dream featuring your current or previous boyfriend can sometimes symbolize the feelings and emotions you have associated with this person. The dream can suggest that you are lacking or seeking this kind of affection in your waking life.
If your boyfriend dies in the dream then this can imply that you need to release your inhibitions in some part of your life, or your relationship has advanced with this person or some change is taking place in this relationship.
When your boyfriend rejects you in a dream it can highlight insecurities you have in your waking life, or you have relationship fears or concerns.
A dream featuring pretense related to a boyfriend can sometimes suggest that you have commitment issues in some area of your life or you don't like feeling tied down.