Aries are a very strong-willed sign, Neptune says. They are the type to always step in if something is wrong. "Aries are very much concerned with fairness in motivation and action," he explains.

They're also a helping sign, with quick reaction times and ... to step in and create a show of good character. Aries are the types to always step in, Neptune explains. "Aries are very much ...

However, sometimes these two fiery personality types can clash. Another set of signs that pair well with Aries are air signs ...

Aries are the types to always step in ... and find out what the stars say about you with USA TODAY's astrological sign series.