Its color contrasts with the other colors in the picture, making it stand out.
The advertiser uses hierarchy in the design.
Media designers are the ones in charge of designing the look of products, the way in which information is presented and also entertainment. In this case, the focus is introduced when highlighting a particular section or object in the presentation; it can be larger or more colorful, and the advertiser may resort to the use of hierarchy in the design.
A person who has a lot of feeling would probably want something romantic for Valentine's Day. Maybe it's a box of chocolates from their significant other, or flowers, or just a movie night. People with feeling really like feeling loved and having affection.
