How can you get a relationships spark back?

I need this guy he means the world to me and I don't want to lose him. How do I get the spark back...How can you get a relationships spark back?
I'm afraid you can't. Once it's gone, it's gone for good! You can try to rekindle it, but it's a waste of time. Move on!How can you get a relationships spark back?
Find what he loves and light the fire.
Do things you both love during and have some fun together, maybe go on a holiday...
do what you did when y'all first met.