Translation of unbekannt

This is almost six hours, a long time for someone who has children and a day job. I recommend that we write eachother shorter emails and in both languages. Spanish and English next to eachother.
Mine too... I will be there next week, got tickets for 1/4 and 1/2 finals... Hopp Schwitz!!! Let's go for a drink soon. I want to meet your girlfriend too! I heard that she is wonderful and pretty.
We had to be careful of not falling into the water. We rowed for about an hour and we got tired pretty easily. Especially the other man and woman looked devastated, at the limit of their physical capabilities.