Even if one of them Survives neither of them will be the same In the comics before they became pure treachery the Symbiote was very clingy to Brock not been able to tolerate being away from him for long often looking for him and wanting to be with him constantly no one else could be him he was the one him and sometimes Spider-man And Eddie is not the same in the head now that He has joined with the alien scared of losing it and asking it if it is Ok or how it feels or what it wants to do, and how he is happy being back with it in one of the 2000 stories he tried to escape it but when they re-bonded he told it he was sorry and would it forgive him and how about he cheer it up