Possible Clues:

• They can be tugged at
• Centre on street calls for one's deepest feelings of compassion
• Deep emotions that may be tugged at (In this answer, note letters 2-8)
• *What a sad ending tugs at
• 3 down and 8 down on last chances with those who can be tugged emotionally
• They often get tugged on during the recitation of wedding vows
• The star grins, disguising deepest feelings
• Deepest feelings
• Emotions of this stranger in turmoil
• Is this what surgeon uses to untie the organ? Expect a movement if they're pulled!