"As a matter of fact" is an idiomatic expression used to introduce a statement that is going to surprise or interest the listener. It can also be used to emphasize the truthfulness of what is about to be said.

The idiom "drop by" means to visit someone unannounced or unexpectedly. It is a casual way of inviting oneself to someone's home or workplace without prior arrangement.

The idiom "if wishes were horses, beggars would ride" means that if something was possible or easy to do, then everyone would be able to do it. It's a commonly used expression to express frustration or disappointment that something isn't as easy or accessible as it should be.

The idiom "yesterday’s man" is used to describe someone who is out of touch with modern times, someone who clings to old ways of thinking or behaving. It can also refer to someone who is no longer relevant or useful in the current context.

The idiom "stormy relationship" refers to a romantic partnership that is characterized by frequent conflicts, arguments, and disagreements. This relationship can be tumultuous, with both partners experiencing strong emotions and reactions to each other's behavior.