Translation of uptight in Spanish

OK, I've understood the overall picture. I'm a little doubtful about how to detect the copyright issues, but I guess it's better to talk again after I received the first excel sheet. It is alright, I am seeing it as an extra measure.
We have learned that some tenses, such as Present Tense are easier and not as complex as others. Is that right? In my opinion, tenses in English are much easier than in the Spanish language.
I'm already in my bed... I am looking forward to the Wimbledon tennis tournament. Football is nice too! Here it very hot. I am missing the rain on the west coast ... I will be back again soon.