The idiom "running on fumes" means to be in a state of exhaustion or extreme fatigue, often due to lack of sleep, poor diet, or overexertion. It can also refer to being out of energy or stamina, feeling drained or depleted, and lacking the ability to perform at one's usual level.

The idiom "come up" can mean to appear, emerge, arise or become known. It can also mean to advance, progress, succeed or gain a higher rank or position. In some cases, it can also mean to suddenly improve or develop something.

The idiom "cross the bridge" is used to describe a situation where an individual or group needs to wait until a certain event happens before making a decision or taking action. It can also imply that someone will have to deal with a difficult or unpleasant situation once it arises.

The idiom "devil may care" refers to someone who is carefree or indifferent, often disregarding the consequences of their actions. It suggests a willingness to take risks and act without regard for potential negative outcomes.

The idiom "fall in love" refers to the act of becoming emotionally attached or infatuated with someone to an extreme degree. This can manifest as intense feelings of attraction, affection, and desire for that person.