Libras and competition

How are Libras with competition? I've been going out with a very sexy Libra man but he's started to slow down and showed a bit of distance and non connection half way down the week then goes after me aggressively the other half. I also started to see someone else since Libra man says he doesn't want anything serious so I started to look. So now I'm going out with two, ONLY intimate with Libra man, of course. If he found out that there was competition would he fight back? I'm a Leo if that even matters any. I know we have strong chemistry and have real great talks with each other. Its just one thing I haven't told him is the other guy. Will he get jealous and if so will Libra fight back? In my heart I only want Libra but if he's not there then I may have to walk.

Any advise?

no, he probably won't. he may feel the sting of jealousy but will most likely just cut u off completely if he feels threatened. either that or he just won't wanna hear about the other guy. ever.