 control group will be run by a psychologist not involved in "READY for MS training program" and with no expertise in ACT or mindfulness interventions (Comparator). Following Chmitorz et al. \[00\] and based on the trend differences in the CD-RISC 00 \[00\] observed in the pilot RCT, change in resilience at three month follow-up will be the primary trial endpoint. In addition, a longer follow-up assessment scheduled six month post-intervention was decided to evaluate effect maintenance (Outcomes)."  