That's because she has Chad to talk with while you are on a trip. You know while you are working hard to put a roof over her head, food in her stomach and buy fancy things
She's getting plowed by Chad because you are neglecting her with your stupid job. How dare you neglect her needs while you are off galavanting across the world, you know, earning an income......
Good luck buddy, as someone mentioned earlier, you are at war. Act accordingly.