Sometimes, the best thing to do is be direct and say exactly what you mean.
If you are a follower of Jesus:
-Attend Church every week and stop making excuses.
-Park far away and leave the close spots for guests.
-Sit near the front of the auditorium in the middle.
-Sit close to the people around you.
-Shake hands with guests and ask about their lives.
-Smile and be friendly.
-Sing loud; even if you are off-key, the Lord is listening.
-Learn to sit for one hour without leaving the auditorium. No matter how it looks, it is distracting to the speaker.
-Engage the sermon in any way possible. Do things like bringing a Bible, taking notes, and looking at the speaker.
-Plan to hang around and visit with people. Don’t be in a hurry to leave.
-Don’t be selfish when leaving the parking lot.
-Contact someone in the afternoon and tell them how much you appreciated seeing them.
Being a part of a Church is more than what happens on Sunday morning. But I am also entirely convinced that if Christian people did the things listed above every single Sunday morning, then we would reach hundreds more people with the message of the Gospel.