Is drinking a bottle of 50% percent alcohol way too much? I don’t seem to have as good effects as I did before taking less

Like I feel different on 50% alcohol but not as good as when I drank 20% only in the past, I now get anxiety , I seem more jumpy. Is 50% too much or can I drink litter more past that like 60% or 70% and be fine without dying? I just want the anxiety to go when I drink and get shit faced drunk.