Translation of obsesionar

I counted the bills and saw that ten thousand Lire were still missing. The old man return to the children, grabbed the oldest one for a second time and hit him again. A minute later he came back with the missing.
One could see in every touristic site and traveler's office advertisement for language schools and private teachers. The teachers usually gave the CV with an nice picture of themselves. It looked funny.
The fans in the stadium was so much better than any fans in Europe. The atmosphere was pure football and people did not stop singing for ninety minutes regardless of the score. Outside the stadium there was smell of Asado.