Translation of nachtaktiv

I would like to know if Jack is interested to join us as well. Shared learning is called Tandem. I'm coming in 2 days to Spain. I will pay for the study costs of my daughter, and I assume all other costs as well.
I hope that I will have time to go skiing. Maybe it is even better to go at the end of the season. The doctor, however, did not give his diagnosis yet. If I cannot go I will have to find an alternative.
You look very pretty in your image too. Is it you in the picture, because you are as beautiful as a photo model, I thought you took it from a magazine. In Poland, women are very pretty generally.