If you are in relationship, then you are not alone. Virtually everything you do will affect your partner in one way or another. Be conscious; you are now walking the path with another human being that has feelings and sensitivities. Consider how your actions will affect your partner. Step out of your self and ask “How might what I am about to do affect my partner?” It’s not just about you anymore. It’s about the two of you.
Apply this tip to everyone with whom you have contact, and the world will be a happier place.