In Michigan, probation is granted as a matter of grace as an alternative to confining a defendant in jail or prison. MCL 771.4; MSA 28.1134; People v. McKeown, 228 Mich App 542, 545; 579 NW2d 122 (1998); People v. Peters, 191 Mich App 159, 163; 477 NW2d 479 (1991). No vested right to the continuance of probation exists, and it may be revoked. Peters, supra; MCL 771.4; MSA 28.1134. The court may determine the duration and conditions of probation, Peters, supra; MCL 771.2; MSA 28.1132, but the conditions must be lawfully and logically related to the defendant's rehabilitation, People v. Houston, 237 Mich App 707, 719; 604 NW2d 706 (1999); MCL 771.3(2); MSA 28.1133(2).