My point is, one can make a profession of faith, stay in church all their life, sing the songs, walk the walk, talk the talk, and anything else associated with being a christian, and still not be saved.
Jesus wants committment, not just to the things that I mentioned in the paragraph above, but He also want full trust in Him. Those who commit suicide do not place their trust fully in Christ. If they had placed full trust in Christ, they would not kill themselves in despair.
2 Corinthians 11:23 Are they ministers of Christ? (I speak as a fool) I [am] more; in labours more abundant, in stripes above measure, in prisons more frequent, in deaths oft.
2 Corinthians 11:24 Of the Jews five times received I forty [stripes] save one.
2 Corinthians 11:25 Thrice was I beaten with rods, once was I stoned, thrice I suffered shipwreck, a night and a day I have been in the deep;
2 Corinthians 11:26 [In] journeyings often, [in] perils of waters, [in] perils of robbers, [in] perils by [mine own] countrymen, [in] perils by the heathen, [in] perils in the city, [in] perils in the wilderness, [in] perils in the sea, [in] perils among false brethren;
2 Corinthians 11:27 In weariness and painfulness, in watchings often, in hunger and thirst, in fastings often, in cold and nakedness.
2 Corinthians 11:28 Beside those things that are without, that which cometh upon me daily, the care of all the churches.
2 Corinthians 11:29 Who is weak, and I am not weak? who is offended, and I burn not?
2 Corinthians 11:30 If I must needs glory, I will glory of the things which concern mine infirmities.
2 Corinthians 11:31 The God and Father of our Lord Jesus Christ, which is blessed for evermore, knoweth that I lie not.
2 Corinthians 4:8 [We are] troubled on every side, yet not distressed; [we are] perplexed, but not in despair;
2 Corinthians 4:9 Persecuted, but not forsaken; cast down, but not destroyed;
2 Corinthians 4:10 Always bearing about in the body the dying of the Lord Jesus, that the life also of Jesus might be made manifest in our body.
2 Corinthians 12:7 And lest I should be exalted above measure through the abundance of the revelations, there was given to me a thorn in the flesh, the messenger of Satan to buffet me, lest I should be exalted above measure.
2 Corinthians 12:8 For this thing I besought the Lord thrice, that it might depart from me.
2 Corinthians 12:9 And he said unto me, My grace is sufficient for thee: for my strength is made perfect in weakness. Most gladly therefore will I rather glory in my infirmities, that the power of Christ may rest upon me.