So sorry to hear about everything thats going on
Life can be hard at times but I hope joining the forum gives you more support.
The only way to stop me binge eating is to literally just not buy it in the first place. My problem is I can't just have one and before you know it I've ate the entire pack.
You've lost weight before so you know your 100% capable of doing it again
Have you got anything on your phone like My Fitness Pal? Its a really good way of tracking your calorie intake so maybe then you can slowly start getting rid of the unhealthy snacking day by day.
It's so so hard in the beginning and I was very temped to give up in the first few weeks, plus your bad circumstances can't be helping, perhaps consider a no contract gym membership or swimming pass, I go swimming 3x weekly now and I find it a really good way of releasing stress and anxiety without reaching for the biscuit tin. Hope it all goes well