I noticed several peculiar customs during the social gathering: 1. Humans greet each other with different physical gestures, such as handshakes, hugs, or cheek kisses, depending on their cultural background and level of familiarity. 2. They consume a variety of beverages, often containing alcohol, which seems to affect their behavior, making them more relaxed and talkative. 3. They engage in small talk, discussing subjects such as the weather, current events, and personal experiences, as a way to build rapport and establish connections. 4. Laughter appears to be a bonding mechanism, and humans often tell humorous anecdotes or jokes to elicit it. 5. Humans participate in collective activities such as dancing and singing to foster a sense of togetherness and enjoyment among the group. 6. When departing, they express their gratitude to the host and say their goodbyes to other guests, often reiterating their pleasure in seeing one another.
You are an alien visiting Earth for the first time, and you are observing human behavior at a social gathering. Describe the peculiar customs and behaviors that you notice as the guests interact with one another.