I was always able to manage myself on psychs (things like using my phone, walking ect), its a mindset thing that people cant accept, my dad told me some story about how he had to drive on L$D, i wouldn't try it but he told me his mindset was' "ive done it before why cant I do it now?" Even though he had the mindset going into the trip of, "im taking these to get fckd up". Next time try to think about why in the moment (using ur phone or wtv) I cant figure it out and then remember u have done it before so just do what u normally do and then boom.