Jesus says, “you are my friends if you do what I command" (John 15:14). Which implies that those who don’t do what Jesus commands are not friends of his, that is they lack intimacy with our Lord. This is very important. Disobedience to God leads to a breaking in our relationship with Jesus. I don’t know many Catholic leaders or disciples who argue with this, but there are many who argue how obedience to God is lived out. As Catholics we do NOT advocate a blind obedience to human authority. Still...
"Well that might be true for you, but not for me.” I don’t understand relativism and that means that whenever I talk with someone who is a relativist, even in small parts, it is hard for us to connect. I realized this many years ago and had to switch my tactic in order to be more effective in my evangelization.