basically it is saying that you are going to end up where YOU take yourself. its up to you where you will go....
you could say to someone that youd like to have a huge mansion by next year and they could reply " in you hands lie your destination"
you will go wherever you take yourself.
For more obvious reasons, drug abuse is more common with family members who abuse drugs due to the fact that drugs are far more accessible. Also notably, the family member(s) are most likely affiliated with others who are drug abusers.
Answer:
Matt puzzled over the meaning of Jerome’s remark. Jerome saw his confused expression and thought, “Could he really not know--?”
Explanation:
A omniscient narrator knows all thoughts and feelings of all characters.