The Spirit of Satan quickens me to answer, and I am not led to answer a "yes" or "no" simply placing a lawyer's approach to influencing me.. Scripture says if I live by the Spirit I will result the Spirit. It is not what I do, it is what I have become, thus I do. And this is the Testimony: God has given us eternal life, and this life is in His Son. He who has the Son has life; he who does not have the Son of God does not have life. It then becomes evident by our fruit of whether we live by the Spirit or by the flesh, for His Word tells us one will demand your life contrary to the other.
"Abide in Me, and I in you." (John 15:4). Again, this is the reality of our will necessary to event a love relationship. I have been Crucified with Christ; it is no longer I who live, but Christ lives in me; and the life which I now live in the flesh I live by faith in the Son of God, who loved me and gave Himself for me. (Gal. 2:20). I know that in me (that is, in my flesh) nothing good dwells; for to will is present with me, but how to perform what is good I do not find.....O wretched man that I am! Who will deliver me from this body of death? I thank God; through Jesus Christ Our Lord! (Romans 7:18, 24-25).
If Christ is in you, the body is dead because of sin, but the Spirit is life because of Righteousness. (Romans 8:10). If indeed you continue in the faith, grounded and steadfast, and are not moved away from the hope of the gospel which you heard. (Col. 1:23).
Little Children, abide in Him, that when He appears, we may have confidence and not be ashamed before Him at His coming. (1 John 2:28). He who says he abides in Him ought himself also walk just as He walked. (1 John 2:6).
So, let me ask you Budman, "Do you believe in the Son of God?" (John 9:35). And by it, have you received crossing over from death into life as to having your new Creation result in all things that are of your Old Nature Gone and in those new things introduced and finished by His workmanship in you (in Christ) resulting in His fruit; and not your own version?
He answered and said, "Who is He, Lord, that I may believe in Him?" (John 9:36).
The brightness of His glory and the express image of His person. (Hebrews 1:3). The blessed and only Potentate, the King of kings and Lord of lords, who alone has immortality, dwelling in unapproachable light, whom no man has seen or can see, to whom be honor and everlasting power, Amen. (1 Tim. 6:15-16). "I am the Alpha and Omega, the Beginning and the End," says the Lord, "who is and who was and who is to come, the Almighty. (Revelations 1:8).
"Lord, I believe!" (John 9:38). I know whom I have believed and am persuaded that He is able to keep what I have committed to Him until that day. (2 Tim. 1:12).
Behold, I lay Zion a chief cornerstone, elect, precious, and he who believes on Him will by no means be put to shame. Therefore, to you who believe, He is precious.
I know of what Christ speaks because it is real within my life. Budman, this is not an issue of me focusing on me to gain and not lose. It is a gift in a relationship of give and take that God has ordained to be appropriated, which is of Him finishing what He promises. A reality in my revelation and conclusion in obedience of a purity He is that I am not, in living by the Spirit of God. Oh, what a gift that is evident in the fruit He procures.
To answer your quickened question I have laid the foundation of my thinking in Scripture. Thus, you can't lose what you never truly received. But, if you have received, and rebel once more, running away from Love, not taking upon yourself the provisions of God who will forgive you from all unrighteousness, based on a changed heart of confession and humility, in that process of His finishing work in you, yes you can walk away from His guaranteed promise. You can't lose it, but you can choose to not accept it. You can chose to not receive His forgiveness, and be unreconciled in your relationship along life's way.
My response is to give an answer to the hope that I have received, It is not a living by works, to gain and maintain anything, it is a testimony of the reality in whom God says He is, and evidence of His promises as being real. It is also evidence, that in me, I have no hope apart from Him. It is a recognition of what my works could never do to gain Salvation. Ironically, Jesus receives us just as we are, but as we receive Him He never leaves us that way, for He loves us that much.