Possible Clues:

• Refrain from being unenthusiastic about everything?
• Soul Asylum "Easy to ___"
• Fend off
• Duck security
• Get out of the way of a vacuum
• Don't partake of
• Socially distance from
• 'A Must to --', a 1965 single by Herman's Hermits
• Enthusiastic about love, duck?
• Don't catch an STI that's going around Love Island