By dressing like the grandmother and trying to impersonate her.
<span>Strong language often means strong feelings. You are more likely to use swear words or just very expressive language when you are feeling strong emotions, such as agitation, anger, rage, etc. When you are feeling weak emotions, you are more likely to be controlled and behaved and not use strong language.</span>
In the novel, even alchemy, the central symbol of the book, entails coaxing metal to achieve its own Personal Legend to turn into gold. As a result, the idea that all individuals should live in the singular pursuit of their individual dreams emerges as the primary theme of The Alchemist.
(this is from sparknotes btw...)