In my element
Valerie was in her element in the swimming race
Jen was in her element whenever she was singing
People are usually only confident when they are in their element
Definition: in comfort zone
Etymology: This term alludes to one's natural abode, as does the antonym, out of one's element (used by Daniel Defoe in Robinson Crusoe, 1719: "When they came to make boards ... they were quite out of their element"
Big guns
In order to convince her daughter not to date a tattoo artist. Molly brought our her big guns and showed her daughter their weird middle-aged neighbor with tattoos.
In the movies Fast and Furious, many characters bring out the big guns in their street races by using nitrous
In the quiz competition, that team brought out their big brainy guns by inviting a rocket scientist to join their team.
Definition: To bring out the big guns is to make use of a concealed plan to defeat an opponent in an argument or in a game, debate or competition.
Etymology: from actually bringing out artillery to win a battle
Take the high road
Jordan took the high road by stopping his friend fighting a racist person, since he knew his friend's job would be at risk if he got into a fight.
Gwen took the high road by offering to apologize to her friend, Emma, even though both were wrong to begin with.
Josh took the high road by discouraging his friend Alex from talking behind other people's back.
Definition: doing the right thing even when it is not popular or easy
Take some time before responding to make sure you are in a calm place of mind.
Don't use curse words or name calling.Stick to the facts only, don't "attack back" with your words, but respond only to the things you wish to clarify.
Be mindful of what you want out of the relationship. Do you still want to be friends at some point? It will be very difficult to do that if you choose to respond.
Etymology: derived from moral high ground