If you happen to have a more reserved Leo then possessiveness and jealousy is the second most reliable indicator.
Flirt a little with other men in front of him and see how he reacts.
All things being equal though, Leo men are amongst the more kinky, yes.
They do however like to feel needed and appreciated, and if neglected for too long they will stray just like most other signs.Conversely if you show you love them regularly and make them feel needed they are amongst the most loyal signs. They want the world to know about it, and that includes showing and telling you!A skillful partner soon learns that to be a 'good idea' something should be 'his idea'!When content with a partner Leo men are exceptionally loyal.Gaining the respect and admiration of others is what makes the Leo man tick, and he has the perfect toolset to do it: Dramatic, warm hearted, outgoing, passionate and impulsive.
Most feel the powerful presence of a Leo man almost immediately.Mean and cruel acts are generally beneath them, however they can be very aggressive, and few other signs can match their wrath when provoked.They forgive easily however, and generally don't hold a grudge.Leo the lion On the surface Leos are one of the most confident and aggressive signs. They're some of the optimists and leaders of the Zodiac, always seeing the good over the bad, and often wanting to take charge and be noticed.They have a flair for the dramatic and often enjoy being the center of attention.For a full description of how a Leo man acts when in love please see our article on Leo in love Your Leo will have his own unique personality traits.