Mars only visits each sign every 2 years, and generally for only 6 weeks at a time, however, this time around it will be here until January 6, 2021, due to the fact that it retrogrades every other year.  The retrograde will be from September 9 through November 13, with the shadow periods beginning and ending July 25 and January 2, respectively.  In Aries, Mars is home (it rules both Aries and Scorpio).  Aries is the first sign and leads the way; Mars in Aries is known for being exceptionally aggressive, pushy, and bossy.  There are some positive aspects which will occur with Mars, hopefully helping to tone things down a bit, and put the planet of action and energy to good use.  It is always best with Mars in such an impulsive position, to think thing through before taking action, but if you are looking for some high-octane energy to light a fire under you and get you going, this is it, retrograde aside.  You should be able to organize, prioritize, multitask, and meet goals, just do not allow yourself to be deterred from your intended destination.