In a posture of prayer

So, because you are lukewarm--neither hot nor cold--I am about to spit you out of my mouth. Revelation 3:16

Say I want to move God and Christianity (Religion) from a Sunday morning activity to something more. How can I be "religious" even when I am not in church, not reading my Bible, not praying, and not listening to worship songs?

Peter and the other apostles replied: "We must obey God rather than men! Acts 5:29 

Whatever your hand finds to do, do it with all your might, for in the grave, where you are going, there is neither working nor planning nor knowledge nor wisdom. Ecclesiastes 9:10

Unless the LORD builds the house, they labor in vain who build it;

Unless the LORD guards the city, the watchman keeps awake in vain. 

It is vain for you to rise up early, to retire late, to eat the bread of painful labors;

for He gives to His beloved even in his sleep. Psalm 127

Do you not know that your body is a temple of the Holy Spirit, who is in you, whom you have received from God? You are not your own; 1 Corinthians 6:19

Don't you know that you yourselves are God's temple and that God's Spirit lives in you? If anyone destroys God's temple, God will destroy him; for God's temple is sacred, and you are that temple. 1 Corinthians 3:16-17 

Whatever does not proceed from faith is sin. Romans 14:22

Quick answer: I follow the commandments, acting ethically, with kindness, and putting forth my best effort in everything I do, while remaining humble to God's will and listening for whatever small or large things He commands.