The idiom "happy as a clam" means to be very content, pleased, or delighted with one's current situation or circumstances.

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 "slow day" refers to a quiet or peaceful time, often when nothing much is happening or people are relaxing. It can also refer to a period of low activity or productivity in business or work-related contexts.

"Heavy heart" is an idiom that means feeling sad or disappointed about something. It can also mean carrying a heavy burden or responsibility. The phrase can be used to describe a sense of weight and emotional heaviness.

The idiom "smitten with" means to be extremely attracted or fond of someone or something, usually to the point of being unable to resist it. It implies a strong emotional connection and can be used to describe both romantic love and affection towards a person or thing.