I am the true grapevine, and my Father is the gardener. He cuts off every branch of mine that doesn’t produce fruit, and he prunes the branches that do bear fruit so they will produce even more. You have already been pruned and purified by the message I have given you. Remain in me, and I will remain in you. For a branch cannot produce fruit if it is severed from the vine, and you cannot be fruitful unless you remain in me. Jesus, 33 AD (John 15:1-4 NLT)
It is a joy to Jesus when a disciple takes time to walk more intimately with Him. The bearing of fruit is always shown in Scripture to be the visible result of an intimate relationship with Jesus Christ. [Adapted, My Utmost For His Highest, Oswald Chambers]