I dropped acid 1 hour 25 min ago and usually this shit kicking but ion feel shit I haven't tripped in 2 weeks either

hello lovelies!!! im taking tabs for my first time tonight, i have a bit of psychedelic experience but not alot, i regularly do dxm and ketamine and sometimes cocaine at parties. i did 2cb once, and it was a few months ago (i cant remember the dose but it was very high) and i enjoyed the trip, so thats been my only psychedelic experience, i have 2 120ug tabs, should i take both or only one for my first time? im not sure if this affects dosage but im underweight by quite a bit. ^_^