When we think of others, we become lonely. If we are focused inside, we don’t feel that way. We are here alone and not protecting ourselves while thinking of a person or many others. Any bad influence can come upon us. This worldly influence can easily interfere with our magnetic field at that time. This worldly atmosphere can influence us. That’s why we say that a Master takes on the bad karma of all beings. A Master thinks about them all the time. Whomever you think of, you give him your merit in exchange for his bad karma. Because you only have merit and he only has bad karma.