How can genuine love of others be a negative effect. It is only a positive thing to live the commandments, which are basically commands to love God and love others with practical love and without harming anyone.
2196…“He who loves his neighbor has fulfilled the law. The commandments, **‘You shall not commit adultery, You shall not kill, You shall not steal, You shall not covet,’ and any other commandment, are summed up in this sentence, ‘You shall love your neighbor as yourself.’ Love does no wrong to a neighbor; therefore love is the fulfilling of the law.” ** Romans 13:8-10.
In response to the question about the first of the commandments, Jesus says: "The first is, ‘Hear, O Israel: The Lord our God, the Lord is one; and you shall love the Lord your God with all your heart, and with all your soul, and with all your mind, and with all your strength.’
2184 Just as God "rested on the seventh day from all his work which he had done,"121 human life has a rhythm of work and rest. The institution of the Lord’s Day helps everyone enjoy adequate rest and leisure to cultivate their familial, cultural, social, and religious lives.122
2185 On Sundays and other holy days of obligation, the faithful are to refrain from engaging in work or activities that hinder the worship owed to God, the joy proper to the Lord’s Day, the performance of the works of mercy, and the appropriate relaxation of mind and body.123 Family needs or important social service can legitimately excuse from the obligation of Sunday rest. The faithful should see to it that legitimate excuses do not lead to habits prejudicial to religion, family life, and health.
There is much that is positive also in giving God who created and saved us the thanksgiving and respect He deserves way beyond our capacity except through His mercy. There is much that is positive in resting, cultivating our family relationships and healthy recreation on Sundays.
Excerpts from the Catechism of the Catholic Church, regarding the Ten Commandments
For in-depth study …the following pages.
vatican.va/archive/ccc_css/archive/catechism/p3s2c1a2.htm
In the end, a basic benefit, positive, is that in living in love of God and of others, Jesus judges our souls as having entry into heaven.
Biblical source: Matthew 25 verses 31-46 where Jesus makes clear that practical acts of kindness to others, which He also takes as kindness to Him, is what, through His mercy, is His criteria for judging souls ‘worthy’ of heaven.