Translation of Schwung

The mothers of my girlfriends were so insulted when I never wanted to eat their food. I mean, in the beginning they liked me, but once the saw my eating habits everything changed. I guess I blew it.
Indeed, these two are very stronlgy connected. The first is often led by a certain party or representative who represents the interest of the others. It gives them a feeling of togetherness and belonging.
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.