
House sizes up the man who keeps picking up his lunch tab
A stranger pays for House's chips and knows his habits; House decides he is falling in love while also arguing about Apple's failing eye.
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13 moments.

A stranger pays for House's chips and knows his habits; House decides he is falling in love while also arguing about Apple's failing eye.

A man fixing the coffee machine turns out to be a private investigator who has solved the donor's secret life and wants $2,300.

In a closed ice cream shop the investigator explains his three types of clients and that House wants him watching Wilson.

The investigator follows a woman he likes and reveals he joined Wilson's grief group; House learns Wilson never mentions him.

Apple improves on chemo; House argues it only acts like cancer, and the investigator explains why the tuba player died anyway.

House leaves money on Wilson's doorstep to buy his thinking, admits hiring an investigator, and Wilson says he won't answer again.

After overhearing Wilson, House and the investigator argue about friendship until a throwaway line sparks House's idea.

Apple's chemo turns out to be saline, the surgery goes ahead, and the investigator admits the swap while mocking House's need for company.

House introduces his private investigator; Cuddy shuts down the phony repair bills, and Lucas compliments her shoes.

Over the phone and through night vision goggles, Lucas challenges House's truth-telling and its cost to Taub.

Cuddy catches Lucas researching her; he admits he likes her, and turns the rejection into a paid job spying on House.

At House's place, Lucas balks at handing Cuddy fake dirt; House wants anything to scare her into saying yes.

Lucas reveals he researched House too: the photo was never faked, and there was a girl behind it.