<Has anyone mentioned having a "heart-to-heart" or going "head to head"?>

Eureka! You've found a new seam!
Going at it toe-to-toe, seeing eye-to-eye, fighting hand-to-hand (mano a mano?) or nose-to-nose, marching shoulder-to-shoulder, having back-to-back hits, dancing cheek-to-cheek.
Any more?