Binding of Isaac: Rebirth Wiki

Tough Love is a passive item.


  • Adds a chance to shoot a tooth instead of a tear, which deals x3.2 Isaac's damage.


  • The chance for this to occur increases with Luck. The activation rate is equal to 1/(10 - Luck). At base Luck (0), the chance is 10%, maxing out at 100% at 9 Luck[1].


  • Added in Afterbirth †Apple! Apple!: With 14 Luck, overrides Tough Love. With 13 Luck, Apple and Tough Love each have about an equal chance to trigger.
  • Removed in AfterbirthBrimstone Brimstone: Overridden by Brimstone.
    • Added in Afterbirth Occasionally fires Brimstone beam with damage multiplier of Tough Love.
  • Cricket's Body Cricket's Body / Added in Afterbirth †Compound Fracture Compound Fracture: Teeth will split into smaller teeth.
  • Removed in RepentanceDr. Fetus Dr. Fetus: Bombs explode with the increased blast damage and radius of Mr. Mega Mr. Mega.
    • Added in Repentance Adds a chance for the bombs to deal increased damage. See the page for the specific damage formula.
  • Fire Mind Fire Mind: Adds a flaming effect to the teeth, Removed in Repentance but without the chance of exploding.
  • Ipecac Ipecac: Teeth explode with the increased blast damage of Mr. Mega Mr. Mega.
  • Removed in RepentanceMom's Knife Mom's Knife: Overridden by Mom's Knife.
    • Added in Repentance: Both damage multipliers apply, combined damage multiplier is x6.4.
  • Added in Afterbirth †Haemolacria Haemolacria: Tears will not appear as teeth but may still gain the damage multiplier.
  • Added in RepentanceJawbreaker Jawbreaker: Activation rates are individually applied to each tear, effectively allowing for higher amounts of teeth. At 9 Luck, the trinket is no longer needed, as Tough Love will already guarantee that every shot is a tooth.
  • The Ludovico Technique The Ludovico Technique: Tear occasionally flicks to being a tooth, which deals 3.2x Isaac's tear damage, before immediately returning to being a normal tear. The frequency at which the tear very briefly transforms into a tooth increases with Luck, permanently becoming a tooth at 9 Luck.
  • The Parasite The Parasite: Split tears will not turn into teeth.
  • Added in RepentanceSpirit Sword Spirit Sword: Both the sword and projectiles can deal increased damage.

In-game Footage[]


PC Z0ZB KE22 (First floor Treasure Room Treasure Room)

PC Added in Afterbirth † Normal and hard modes only BJG8 KDT0 (Treasure Room Treasure Room adjacent to spawn)

PS4 WQVF HG7V (First floor Treasure Room Treasure Room)

Vita ZNHL AJ8K (First floor Treasure Room Treasure Room)

3DS SGKP 3D9S (Treasure Room Treasure Room adjacent to spawn)

Switch Greedier mode only WCL4 V8YG (First Golden Treasure Room Treasure Room)