How do Germans socialize?

Introductions. When meeting Germans for the first time, short and firm handshakes are the normal greeting. Make sure you maintain eye contact throughout, though avoid staring for uncomfortably long. They always talk clearly and openly to understand each other and this is highly important in this culture.

Is pointing rude in Germany?

This is considered a rude gesture. Dont point your index finger to your own head. This is an insult.