"You may forbear (abstain, stop) your sin but retain the love of it." Point is - that you may make a commitment to God and forsake (desert, abandon, leave, quit) outward appearances that contradicts your faith, but in the deep recesses of your heart, you keep a hidden love for your old life. Do not let satan deceive you into sacrificing the Glory of God in your life for a few moments of self - indulgence and sin. 1 Timothy 4:12 says..
"Be an example to the believers in word, in conduct, in love, in spirit, in faith, in purity"