If both parents truly support shared parenting the effort towards making that happen would be equal. Bashing the other parent or fearing the kids might like it there too much is not an equal effort. Doing what is best for the child is an equal effort.
It can be a bittersweet thing but it's good to listen to the truth rather than accept a comfortable lie. Even if you cant see something but know it's real deep down, believe it. Instincts can show a lot of true colors
You’re going to come across people in your life who will say all the right words at all the right times. But in the end, it’s always their actions you should judge them by. It’s actions, not words, that matter.