Revenge on my POS baby daddy [MF]

So my man of six years and 3 kids went crazy and beat my ass a few weeks ago. Obviously things are over, and after I got over the shock I got pissed. I was pissed he was a shit provider, never romantic or spent time with me, and never ate me out and was a minute man. Most of all I was pissed for what he did to me, and I wanted to do something to him…