The idiom "sealed with a kiss" means to complete or finalize something. It is commonly used when two people exchange a kiss after getting married, indicating that they are now legally bound together and the marriage has been sealed.

The idiom "on your mark" means that someone is ready or prepared to do something, and they are waiting for the signal to start. It can also mean that someone is focused or determined to achieve a goal or complete a task.

The idiom "when life gives you lemons" is used to express the idea that one should make the best of difficult situations. It implies that even when things are tough, there are still opportunities to turn a negative situation into something positive.

The idiom "goody two shoes" refers to someone who is excessively good, obedient, or morally upright. This person often follows rules and social norms strictly, without any deviation or question.

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.