The idiom "too close for comfort" means a situation or person that is uncomfortable or unsettling due to being too close or intimate with someone, place, or thing. It suggests a feeling of unease or discomfort caused by a proximity that goes beyond what is desired or necessary.

The idiom "burn bridges" means to cut off or destroy a path or opportunity that could be used later, often by taking reckless or hasty actions. It refers to the idea of sabotaging one's own future prospects or relationships in order to gain immediate satisfaction.

The idiom "left out in the cold" means to be excluded or ignored, often intentionally. It can also mean to feel isolated or disconnected from a group or situation.

The idiom "behind closed doors" refers to a situation or conversation that is kept secret or hidden from the public eye, often because it is considered private or confidential. It suggests a clandestine or illicit activity taking place in a room where others are not present.

The idiom "aid and abet" means to give or provide assistance, support, encouragement, or aid to someone or something, especially in a legal case. It can also mean to help someone commit a crime.