congratulations Dan… thats amazing, literally <3 really happy for you. Someone recommended my BF takes a supplement called GABA, he said its great.. only £10.
https://www.ebay.co.uk/itm/BEST-QUALITY-GABA-SWANSON-500mg-100caps-Gamma-Aminobutyric-Acid-New-Formula/272410344805?ssPageName=STRK%3AMEBIDX%3AIT&_trksid=p2057872.m2749.l2649
might be worth a go.
You are right - AVOID alcohol x