The idiom "think outside the box" means to approach a problem or situation in an unconventional or innovative way. It suggests stepping out of one's comfort zone and considering new ideas or perspectives that may not have been previously considered.

The idiom "lion's share" refers to a large or significant portion of something that is considered important or valuable. It is often used to describe the lion's share of responsibility, authority, or influence in a group.

The idiom "puppy love" refers to a strong feeling of affection or attachment between two people, often characterized by intense passion and infatuation. It is commonly used to describe a romantic relationship that is new or developing, and may be subject to changes in feelings over time.

The idiom "out of mind" refers to something that is no longer being thought about or considered, often because it is irrelevant or not important. It can also indicate that someone has forgotten something, either intentionally or unintentionally.

The idiom "under siege" means to be surrounded or under attack, especially by a group of people or entities that are hostile or oppressive. It can also mean to be in a difficult or dangerous situation, where one feels besieged or overwhelmed.