According to National Geographic, the planet Mars is visible without a telescope on many clear nights. The planets Jupiter, Mercury, Venus and Saturn are also viewable without the aid of magnification.
Emotional cheaters usually feel zero guilt for their extramarital relationship. But that is the very definition of emotional infidelity, and the word infidelity is used to describe this type of relationship for a reason... It breaches the bonds of marriage. Even if the body remains monogamous, the heart does not.
Adultery is never a healthy experience. Cheating can do more damage than just erase any trust between two people that used to be in love. It can have financial implications if the couple does decide to divorce and the judge is sympathetic toward the victim of infidelity.