Trials in life are certainly not desirable! They are not comfortable, they may cause us pain and inconvenience, but when they are brought by God into our lives there is most definitely something He wants us to learn from them!
…the Believer who is completing his course of suffering for Christ's sake is completing the process of ceasing from sin. In other words, suffering for Christ's sake transforms the Believer from sin-FULL to sin-LESS; suffering for Christ's sake perfects Believers.