Translation of abotonar

Today the spring really showed itself. It was over eighteen degrees and people started wearing nice and with T-shirts. Snow has melted and the temperature is steady. I can't wait for the summer.
They wanted to know everything about relationships in Switzerland. One of the asked me of how guys propose friendships to girls. I did not know what she meant and explained that we were very informal.
Some of the people had invited me for dinner and I joined them. I soon found out that they were eating at their apartment and were cooking by themselves. I found myself peeling raw potatoes.