Lovers’ Assistance (3.5e Feat)
From D&D Wiki
Lovers’ Assistance [Love]
When you and your soulmate choose to do a specific task together you can cooperate with ease and efficiency.
Prerequisite: , True Love
Benefit: When using aid another to grant a bonus on a skill check you instead add the number of love feats you have to his/her skill check and that person can also use your Ability Score modifier for that check instead.