I am paying, whatever you're thinking does this is not doing it very well. Occasionally there will be lessons that claim to target "weak skills" but I don't bel

I am paying, whatever you're thinking does this is not doing it very well. Occasionally there will be lessons that claim to target "weak skills" but I don't believe they're doing anything very sophisticated to determine what a "weak skill" of mine is because they're always a cakewalk.