For a mature lady, the very fact that she is given in her mouth and cum in the same place is like a balm to her body. She feels that she hasn't lost her attractiveness and competes with her younger girlfriends on an equal footing. And the attention of the males tickles her vagina so much.
Migrants are good because they are willing to do extra jobs for the same pay. Not for nothing the boss hired this latina, the girl herself is pretty, and also very hardworking and helps the boss to cope not only with the cleaning.