It's really cool when a guy tips 20 per cent quickly and effortlessly so that when the check comes, he opens it and signs his name and done.

In this quote, Danica McKellar, an actress and mathematician, shares her admiration for individuals who are generous and efficient in their approach to tipping. She highlights the ease and effortlessness of someone who quickly calculates and tips 20 percent of the bill, making the entire process seamless. The mention of quickly and effortlessly suggests that this person is both confident and considerate, demonstrating good manners without hesitation or fuss.

McKellar’s comment also speaks to the idea of class and generosity in social settings. A tip is often seen as a gesture of appreciation for good service, and by tipping promptly, the individual is not only acknowledging the service but also setting a positive tone for the interaction. The idea of signing the check and being "done" indicates a level of comfort and efficiency, where the transaction is handled with dignity and respect for the service worker.

The quote also emphasizes how small acts of kindness, like tipping well, can contribute to creating a positive environment in everyday situations. By doing something that may seem simple but thoughtful, the person creates a sense of goodwill, both for themselves and for the server. McKellar values this display of graciousness as it reflects a sense of responsibility and awareness in social interactions.

Ultimately, McKellar’s words remind us of the importance of thoughtful gestures and how they can impact our relationships and interactions with others. A tip may seem like a small detail, but when given with ease and appreciation, it speaks to the overall character of an individual, making it a noteworthy act in the context of social etiquette.