Is faithful (to)
• Bonds
• Cleaves
• Clings
• Clings closely
• Conforms
• Doesn't fall off
• Holds fast
• Is faithful
• Is glued (to)
• Shows devotion
• Shows devotion (to)
• Stays attached
• Sticks
• Sticks (to)
• Sticks fast
• Sticks like glue