If you keep My commands you will remain in My love, just as I have kept My Father’s commands and remain in His love.
John 15:10 HCSB
We must keep Jesus’ commands to show that we believe in Him; not just the ones that suit us, not the cherry picked ones, but all of them. When we are not following the commands of Jesus, when we willfully sin, we show our disrespect and fall out of the love of Jesus, we stop truly believing and become hypocrites; we become the lukewarm who will be spewed out in the last days.
Repent of your sins, walk the narrow path, fill yourself with the word of God so that the devil does not have a place to abode; but above all else, BELIEVE in the Son!