Pay attention to how your body feels when you interact with others. Walking on eggshells usually means to walk away. Fight-or-flight response usually means to keep your distance. Sudden fatigue usually means you are being drained. Trust your body. Your body will remind you often.
The minute you decide you want better for yourself is the minute the entire universe begins to shift in your favor. Your declaration, command, intentions, visions, and prayers begin the creation of the new reality. All you have to do is decide and never look back.