How do other people do it?

So, I am still fairly new at, and still getting steady in, my walk with God. I grew up in a Catholic home, but never felt really connected with the church. I went through the motions and it never meant anything to me. I can't explain why that was the case with me because religion was important to my parents, but it just never meant much (sad, isn't it?).

How do other people go day to day? I have read so much about modesty, Christian living,.... you name it, I read it. There are so many wonderful people out there who lead such great lives. How are people so sure of themselves and their faith? Big topic, I know..... :) Help!