|Name||Initial cost||Initial LPS||First Upgrade||Second Upgrade||Third upgrade||Final upgrade|
|Sweet Devil Wife||25,000,000,000||8,750,000||1||20||60||70|
|Wife of Wives||100,000,000,000,000||10,000,000,000||1||20||40||50|
Love is the key component of 10b Wives. It is treated as currency and can be used to marry new wives and buy them presents. LPS is the amount of Love the wives give to the player per second. LPT is the amount of Love the player gains when they tap the screen.
Since LPS increases very rapidly with the acquisition of each higher level wife, it is best to marry new wives as soon as they are available.
In the later stages of unlocking the last 3 wives, tapping will actually slow down Love gain since it interrupts and complicates the algorithm. Similarly, at this stage, the player's LPS will increase around 20% faster if they switch to the history screen, since the program doesn't have to draw the wives and therefore runs faster.
Three presents can be purchased for each wife. The first present doubles the wife's LPS, the second and third presents multiply this bonus by a further 10x each. The final upgrade does not up the wife's LPS, but rather unlocks an illustration of the wife.
Each level costs 15% more than the last. As such, it's better to level a wife up to Lv. 5 before purchasing the first upgrade.