I was in a major accident back in 2011, that's why I have this scar that runs up my forehead here.
Daher habe ich diese Narbe, die über meine
Stirn verläuft.
Thank you. ...strange behavior is signaled by tapping one's forehead with one's forefinger.
... seltsames Benehmen wird signalisiert, indem man den Finger an die
Stirn tippt.