It isn't so much a matter of having dexterity as being able to use whatever dexterity you have.
Madness string 1334
Like it's really hard to explain to people how some antidepressants and anti anxiety meds just... obliterate your emotional range. Yes, you don't feel extreme distress and crippling depression any more. The medication keeps you on an even keel. But it's too even. Your brain might not feel sad any more, but it also can't feel happy. You can't feel any strong feelings at all.