Hi Cosmic Rose, the people we hold close to us are the ones that can cut us the worst. Remember that you can accept the good and disregard the bad. We are not failures, we are alive and we are capable of becoming productive people. It is definitely a journey and not a destination. You don't need any more negativity in your life and if the people close to you are not supportive there needs to be distance.
I've had to really work on communicating exactly what irks me and pushes my buttons to the people close to me. Imo, keep the ex an ex and keep it movin'!