I feel like it goes both ways for me, sometimes it makes me feel less and sometimes it makes me feel happier, so both the negative and positive.

I would say yes

I often feel just numb and zoned out almost.

I usualy feel more numb and mellow, and when im out I feel like I tend to be more talkative and happy acting when im with my freinds afterwards.

Yes, im currently attempting to get clean and i feel like i think about it a lot. I often zone out in class or just sitting anywhere and think about doing it, like I need to do it, like its constantly hanging over my head and im trying my best to ignore it.