Gemini are most likely to cheat on their partners because of their indecisiveness, and they tend to have many options in their life.
They give their best in love and are extremely emotional and sensitive. This causes them to react to the smallest of things and end up cheating.
After they get into a relationship, libra often flirts, and some even cheat without guilt if they are not romantically satisfied by their partner.
Leos are natural leaders who want to be rich and enjoy a luxurious life full of generosities., are confident, stubborn and drama-loving and they do not get bored of being the center of attraction.
They may not physically cheat, but if they do not meet their expectations in a relationship, they will tend to have a flirtatious liking for their previous partner or someone.
They are always suspicious and jealous if they see their partner with someone else, so in case of any suspicion, they just assume that their partner has cheated on them.
To set an eye on someone is all it takes for Aries, and they will do anything to get that person close to them, flirt with them and even have physical relations even after having a partner on their own.