Why do NFL players celebrate after making routine plays?

A first down, routine tackle, sack, decent return.. These NFL players celebrate every standard play in the game... Dances, gestures, chest-thumping, LOOK AT ME! LOOK WHAT I DID!

Players need to have class and act like their latest play isn't a once-in-a-lifetime occurence..

What's behind this phenomena?

Why do NFL players celebrate after making routine plays?nba schedule

I agree,I have actually seen linebackers jump up and down and make all kinds of gestures after stopping a running back with no gain,all this while his team is down by more than 20 points with a couple of minutes to go

Why do NFL players celebrate after making routine plays?nba mock drafts ,nba teams

not enough love at home... they need society to validate their entire existence, so they don't go home and chew on gun barrels....
Because from a very young age it was tolerated by coaches, parents and fans instead of teaching them humility. It sucks.
You get caught up in the moment.
why do you park in a driveway and drive in a parkway
That's how the generation was raised. Every time they peed, someone was taking a video. Everybody wins a ribbon because nobody wants to have their child's feelings hurt. Over protectiveness.
I heard something the other day that it started with ALI. They like to showboat!