Jennifer Garner is a busy mother of three, so she has plenty of feedback from her children when it comes to how she is parenting. The actress shared a photo to Instagram of one of her children's notes to her that sweetly read: "PS I know I am your favorite."RELATED: Jennifer Garner shares a glimpse inside her gorgeous winter vacation homeJennifer, who shares her three children with ex-husband Ben Affleck, posted the photo with a very smart caption that read: "As my mom always says, my favorite