I would advise just be cautious when experimenting with acid. Unlike weed, where usually after the high wears off you are back to normal. I imagine you've heard of the acid after glow but it can also mess with your mind for much longer than just a few days. Had a friend who said he felt like he was tripping for a year and while hes always had some anxiety its definitely been increased along with paranoia. Also noticed after doing acid weed can become a different experience positive or negative.
Second time I did acid I did 2 hits of high dosed tabs by myself and the come up was great but even with everything going on I was bored and tired of tripping so at this point I was becoming paranoid and anxious. Another time I did a half tab of some really pure acid (not sure about dosage however) and it was one of the best days I ever had. I was with my best friend and we had good conversation walked around all day and was still able to function and you sitll get the sense of a psychedellic experience. Like wutang-forever said you only get one sanity.
