Dating a german
My method of seduction is always to show interest by joking and playing ambiguously.
Don’t take us too seriously, we know individual differences overshadow cultural identity!
In his rational approach, he also needs an objective reason for it and he must have a way out as if flirting was dangerous.
Already in 19th century, the writer Goethe linked this situation to suffering by stating “Nur wer die Sehnsucht kennt, weiß, was ich leide.” (translation: Only one who knows longing, knows, what I suffer).
In the meantime, usually expect "no flirting and no spontaneous messages".
When a German guy is interested, he does no-thing as the game itself seems almost a strange one to play.