GLOWS

Has the look of love

• Emulates a firefly

• Gets red

• Incandesces

• Is affected by black light, perhaps

• Is brilliant

• Is candescent

• Is positively elated

• Is visibly elated

• Like a certain worm

• Luminesces

• Radiates soft light

• Shimmers

• Shines

• Shines like phosphorescence in a bay

• What Rudolph's nose does

• Word in Rudolph the Red-Nosed Reindeer