Why Krishna always helped Arjuna?

So he was the one who needed instruction. That was why Krishna gave him advice through the Gita. Arjuna fell at Krishna’s feet and wanted Krishna to clear his doubts. Because Arjuna fell at His feet, Krishna taught him this most secret sastra.

What lessons does Krishna teach Arjuna?

Lord Krishna’s teachings to Arjuna highlighted that all wars first exist in the mind. And thus winning in the mind is the first step to winning on the battlefield and in real life.

Why does Arjuna say he is confused about his duty?

Arjuna says here that he is confused about his duty. So the real point here is that Arjuna does not know what his duty is so is surrendering to Krishna and saying to Krishna “Please instruct me.” Arjuna is now Krishna’s disciple, a soul surrenderd to Krishna and he will now do whatever Krishna tells him to do.

Why did Krishna allow Arjuna to kill his family?

Again in the Bhagavad Gita, Krishna uses this argument to explain why it is permissible for Arjuna to kill his family. Since they are all one with the universe, their death won’t really be death; it’ll be the shedding of their earthly bodies. Those who grasp this oneness are on the Jnana yoga or the Path of Knowledge.

Is Arjuna talking to Krishna directly in Bhagavad Gita?

Not at all. Krishna in Bhagavad-gita is instructing us to surrender to Him and to let Him instruct us as at to what our duty is. In Arjuna’s case he was speaking with Krishna directly, but for us Krishna advises that we approach Him through His bona fide spiritual master.

Did Krishna take advantage of Jarasandha’s weaknesses?

We get that answer in Mahabharata itself and more prominently in Kautilya’s Arthashastra. Failing to match Jarasandha on battlefield, Krishna took advantage of Jarasandha’s weaknesses – ironical or surprising it may sound, but the weakness was actually Jarasandha’s high respect for Brahmanas and certain ritualistic beliefs.