quit drinking for a week and i feel my drive and energy coming back

hi yall i recently did an at home detox using prescribed librium and revia. was a heavy drinker for 3 years. past year has been extremely heavy. 3-4 bottles of liquor a week plus beers and whatever else i had going out and at work. I've been alcohol free for about a week. I feel a huge surge of not necessarily energy but just wanting to be productive. In just 4 days i managed to redo my home since my girlfriend is moving in. I got really back into my hobbies and things seem really great. I'm actually the happiest ive been in a long time. it feels amazing to know im getting my life back together and im more on top of chores, general up keep and hygiene. my girlfriend has been a huge support system for me and im grateful. it just feels strange going from a depressed "nothing matters" to having the life come back into my eyes. I worry its maybe mania bc its such a new positive feeling but probably just my brain readjusting from years of alcohol abuse/reliance. social interactions have been more pleasant as well. I just really hope that anybody reading this, who is on the verge of change, can gain some inspiration to finally just stop and if you are a heavy drinker, detox in a safe manner. its totally worth it guys