Therefore, Krsna consciousness means to practice the topmost type of yoga. This topmost yoga system was described by Krsna in the Gita to His most intimate friend, Arjuna. In the beginning, the Lord said that this system can be practiced only by a person who has developed attachment for it. There are five types of direct attachment, and there are seven types of indirect attachment. Indirect attachment is not bhakti.
Direct attachment is called bhakti.
If you are attached to Krsna by the direct method, it is called devotional service, and if you are attached to Krsna by an indirect method, it is not devotional service. But that is also attachment. So he became very anxious about the sons of his sister, and he decided to kill his sister. So your sister herself is not going to kill you. Save her, and I promise that all the sons born of her will be brought to you, and if you like you can kill them.