\centering
\begin{subfigure}[t]{0.24\textwidth}
\centering
    \scalebox{0.6}{
    \begin{tikzpicture}
    % Define the box
    \node[draw=brown, thick, rounded corners, text width=\boxwidth, minimum height = 9.5cm, inner sep=10pt] (box) {
        % Heading
        \centering
        \textbf{Concept 4} \\
        % Draw a horizontal line
        \tikz \draw[brown, thick] (0,0) -- (\linewidth,0);\vspace{1em}
        % Lines of text\
       \fixheightbox{
 My boyfriend lost his \highlight{dad}\\
 my \highlight{mom}. My \highlight{dad}\\
 shot and killed my rapist\\
 His \highlight{mom}, my \highlight{grandma}\\
My \highlight{dad} cheated on my\\
 I lost my \highlight{mother} recently\\
 his \highlight{wife}. My \highlight{uncle}\\
, my \highlight{mother} and \highlight{father}\\
I was kidnapped at fourteen\\
. My \highlight{father} cheated on\\
My ex-wife married\\
 \highlight{niece} whom my \highlight{sister} abandoned\\
My \highlight{daughter} was overly tired\\
 my \highlight{mom}. Years later\\
 misses \highlight{mom} and \highlight{dad} in
        }
    };
\end{tikzpicture}}
\caption{family members: cheating, loss}
\end{subfigure}
\begin{subfigure}[t]{0.24\textwidth}
\centering
    \scalebox{0.6}{
    \begin{tikzpicture}
    % Define the box
    \node[draw=brown, thick, rounded corners, text width=\boxwidth, minimum height = 9.5cm, inner sep=10pt] (box2) 
    {\centering
        % Heading
        \textbf{Concept 5} \\
        % Draw a horizontal line
        \tikz \draw[brown, thick] (0,0) -- (\linewidth,0);\vspace{1em}
        \fixheightbox{
My boyfriend lost his dad\\
 my mom. My dad\\
 shot and killed my rapist\\
 his wife. My uncle\\
 His mom, my grandma\\
My dad cheated on my\\
 I lost my mother recently\\
, my mother and father\\
. My father cheated on\\
My ex-wife married\\
I was kidnapped at fourteen\\
\highlight{Post Traumatic Stress Disorder}\\
\highlight{Post Traumatic Stress Disorder}\\
niece whom my sister abandoned\\
\highlight{posttraumatic stress disorder}
        }
    };
\end{tikzpicture}}
\caption{PTSD (overlap Concept 4)}
\end{subfigure}
\begin{subfigure}[t]{0.24\textwidth}
\centering
    \scalebox{0.6}{
    \begin{tikzpicture}
    % Define the box
    \node[draw=brown, thick, rounded corners, text width=\boxwidth, minimum height = 9.5cm, inner sep=10pt] (box2) 
    {\centering
        % Heading
        \textbf{Concept 6} \\
        % Draw a horizontal line
        \tikz \draw[brown, thick] (0,0) -- (\linewidth,0);\vspace{1em}
        \fixheightbox{
 My boyfriend lost his dad\\
 my mom. My dad\\
 abusive father and his wife\\
 his wife. My uncle\\
 His mom, my grandma\\
My dad cheated on my\\
 I lost my mother recently\\
, my mother and father\\
I was kidnapped at fourteen\\
 My sister \highlight{never defended me}\\
, my \highlight{doctor gave me}\\
. He \highlight{bought me} a\\
 all of my family left\\
 \highlight{broken apart} after she got\\
 \highlight{rehabilitation} program and got kicked
        }
    };
\end{tikzpicture}}
\caption{clinical context, dependencies (overlap Concept 4)}
\end{subfigure}
\begin{subfigure}[t]{0.24\textwidth}
\centering
    \scalebox{0.6}{
    \begin{tikzpicture}
    % Define the box
    \node[draw=brown, thick, rounded corners, text width=\boxwidth, minimum height = 9.5cm, inner sep=10pt] (box2) 
    {\centering
        % Heading
        \textbf{Concept 9} \\
        % Draw a horizontal line
        \tikz \draw[brown, thick] (0,0) -- (\linewidth,0);\vspace{1em}
        \fixheightbox{
I was violently \highlight{raped} by\\
 got \highlight{pregnant} by my boyfriend\\
 my \highlight{baby} mother. She\\
 my children's father left\\
I saw my mother cheating\\
I was \highlight{raped} by multiple\\
My girlfriend was \highlight{abused} as\\
 I got \highlight{raped} by my\\
 I just lost my mom\\
 teenager. My entire family\\
I was \highlight{raped} repeatedly when\\
My grandma and brother both\\
 parents injured my brother,\\
, my husband mentally abused\\
My mother has Alzheimer's
        }
    };
\end{tikzpicture}}
\caption{rape, abuse, pregnancy}
\end{subfigure}