I think this is a sweet story, Inspired by a baby story.
Nami walked into the boy's room to see Luffy covered in mud.
"Why are you covered in mud!"
Luffy looked up
"Cause I love mud and it loves me."
That after noon Usopp shuffle by, with worms in his pockets.
"Why are there worms in your pocket"
Luffy looked up
"Cause I love worms and worms love me."
Robin was reading on deck when she saw paint dripping from Luffy's shoulders.
"Why are you dripping with paint?"
Luffy looked up
"Cause I love paint and paint loves me"
Sanji stopped washing dishes and looked at Luffy, who had smeared jam all over his face.
"Why is there jam all over your face?"
Luffy looked up
"Because I love jam and it loves me."
After hearing a swooshing sound, Chopper saw Luffy dusting sand off of his sandals.
"Why is there sand in your sandals?"
Luffy looked up
"Cause I love sand and it loves me."
Franky just opened a can of cola when he saw Luffy attempting to pull gum out of his hair.
"Why is there gum in your hair?"
Luffy looked up
"Cause I love gum and gum loves me"
That night, Zoro heard splashing, just to see Luffy taking a bath.
"Why are you taking a bath?"
Luffy looked up
"Cause I love you..."
He pulled the swordsman into the tub
"And you love me!"