I've added a couple of verses from 1 Samuel 18 because we are talking about covenant.

"When he had finished speaking to Saul, the soul of Jonathan was knit with the soul of David, and Jonathan loved him as his own soul... 3 Then Jonathan and David made a covenant, because he loved him as his own soul. 4 Jonathan stripped himself of the robe that was on him and gave it to David with his clothing, even including his sword, his bow, and his sash."

Jesus 'cut' covenant with the Father so that we can say "Abba, Father!" through Jesus.
Because the covenant is between Jesus and the Father ("The New Covenant in My Blood") it cannot be broken and will never be broken in spite of anything humans may do.

In the covenant, through Christ, we get to put on Jesus' robe - we clothe ourselves with Christ.  We get His whole armour too!  A new name like Abram becoming Abraham, when God joined His name with Abram.  This is all SO exciting.  And, if you have any need, God has bound Himself through covenant commitment and promise to Jesus to meet every need.

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