It's frowned upon to be disgusting.
Bob is very sweaty after working out at the gym.
Bob wants to meet a friend for lunch after working out.
Bob makes sure to shower after working out and then heads to meet a friend for lunch.
Even though Bob is sweating and now smells, he decides to meet up with his friend right away for lunch.
Bob and his friend have a great time and are full from eating lunch.
Bob's friend is disgusted by Bob's smell and eats quickly to leave early.