Dreams about ex-partners can often reflect unresolved feelings or thoughts about past relationships. In your dream, the message from your ex may symbolize lingering emotions or concerns you have regarding the relationship's ending. The phrase "I can't stand you thinking that I'm just taking bone medicine and doing boney things" could suggest feelings of being misunderstood or misrepresented, either on your part or his.

The mention of someone who was adamant about the breakup going back to their "old ways" might indicate feelings of betrayal or disappointment related to that person. This could represent your feelings about trust and loyalty, and how they played a role in your past relationship.

Overall, this dream may be prompting you to reflect on your past relationship, your feelings towards your ex, and any unresolved issues with those connected to your breakup. Consider what emotions or thoughts are surfacing as a result of this dream and how they might relate to your current life. It might be an opportunity for you to gain closure or understand your feelings better.