Possible Clues:

• Kind of love that's very open, like 8 and 15 exemplifying 3 7
• Like a mouth hanging open in shock
• Gobsmacked when assistant returns in time
• Awestruck, head academic turned page.
• Stare in wonder after a religious feast
• Open a fresh page
• Turning over in sleep, a gastronome's yawning
• Displaying surprise, in a way
• Displaying astonishment
• Looking astonished as assistant's back in time