Someone's aptitude at a particular skill is their natural ability to perform it well or their potential to become more skilled at it.
When you are adept at something, you are very good, skillful, or talented at it.
When you adapt to a new situation, you change in order to adjust or become used to it.
Someone who is inept is unable or unsuitable to do a job; hence, they are unfit for it.
A person's attitude is their way of reacting towards something or how they choose to think and feel about a situation.
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