Be assertive about your role at the beginning of the week and surprise someone who thinks they can work around you. Showing them how you can be an asset while also furthering your own goals makes it a win-win. Around wednesday, though, if you have a difference of opinion with a superior, you'd be wise to keep it to yourself: at least until you formulate your argument calmly and fully. Expect a boost from a coworker on thursday or friday; it's your good workplace karma coming back around, so pass it back on. This weekend, it's all about the future.