In this particular dream, the snake probably is a symbol for something untrustworthy or repulsive. Seeing the ex-boyfriend with the snake, it suggests that those feelings are associated with him as well.
The question is not entirely clear. A dream about HAVING the ex boyfriend's baby would be different from dreaming about a baby the ex boyfriend had by someone else.
This dream suggests that the dreamer remains emotionally attached to the ex-boyfriend and is projecting her own emotional distress onto him. The dream does not reveal any accurate information about the ex-boyfriend's thoughts or feelings.
This might be a wish-fulfillment dream, particularly if the dreamer wants to re-establish a relationship with the ex boyfriend. The dream expresses the dreamer's emotions and provides no information about the ex boyfriend's feelings.
This dream suggests that the dreamer continues to hold an emotional attachment with the ex boyfriend.
It is normal to dream about what is on one's mind. So if there are lingering feelings for the ex boyfriend, the dreams are reflections of those feelings. The dreams do not reveal anything about the ex boyfriend's feelings.
It is obvious you are still in love with your ex boyfriend and hoping to get back together with him or it is wishful thinking that he will contact you and therefore he is on your mind a great deal so it is normal to dream that your ex boyfriend is trying to contact you. If he does not have a girlfriend then out of curiosity contact him and see if he will meet you somewhere. Take the risk.
This dream could suggest that there is something in the ex boyfriend's past that needs "washed" or "cleaned up."
The dream does not provide any information from your ex-boyfriend's mother or about your ex boyfriend's emotions or behavior. The dream is a product of your own imagination, and reflects your own hope that your boyfriend misses you.
The distant view in the dream represents increasing emotional detachment or "distance" from the ex in real life.
This might be a wish-fulfillment dream, assuming the dreamer still has lingering attachments to the ex boyfriend. More importantly, this dream is all about the dreamer's emotions and reveals nothing about the ex boyfriend's feelings. The dream does not predict anything in the future.
The dream reflects the dreamer's frustration with the ex boyfriend; it provides no information about the ex's feelings.