Recording their arguments on your phone and replaying it to them later may not have the desired effect.
i agree with this ylva,me and my sister did this on a camcorder- my mum has been a violent alcoholic since i was 5 as she had no support and developed severe depression, we recorded her doing violent behaviors- when shes sober shes one of the nicest people i know but she has always denied her behavior and in this instance she became violent towards me in an attempt to break the camera.
adder1234, i recommend going to a 12 step program for people of your age group [sorry i dont know your age] al anon is good my dad went to them for a while but his work shifts got in the way.
as a damaged 33 year old,i now go to a ACOA [adult child of alcoholics] meeting with a support staff who had been a heroin and alcohol addict in her younger years-and her faetal alcohol spectrum disorder+high functioning 25 yr old autistic and brain injured son,whose dad is still a raging alcoholic,me and him get on great we are good mates,its good to know someone in the same situation and i highly recommend it.
for him,he cant cope with the pressure of going to meetings every week but for me,they will teach me to let go of feeling like i caused her alcoholism and that i cant control anything she does so i have to look to my higher power-and you are allowed to define what that means yourself in 12 step programs.
the only issue for me is the material they give out every meeting that you have to follow is a wall of text,with a lot of complex language and no pictorials supporting the language,but that shouldnt be an issue for you as an aspie [apart from the walls of text,i think they do that to get as much words put in as possible].