New situations cannot be dealt with in old ways. The Moon is squaring Mars, and Uranus is squaring Mars, too. The more you are aware of what you are doing and why, the more easily you can adapt to changing circumstances.
If not, you can behave rashly and impulsively or be irritable. Think carefully whether or not you are being attacked. There is a defensiveness about this transit - make sure you are aiming your ire against the real target. There can be a tendency to displace your anger.
If you have a habit of getting made at yourself, or depressed, do not turn your anger at yourself by having an "accident" through rash or impulsive behavior. Act carefully and thoughtfully and if you are put out of sorts, make sure your target is the real one that is making you irritable.