In her captivating novel, The One That Got Away, Olivia Spring weaves a tale of love, choices, and the lingering questions of "what if?" This romantic comedy not only entertains with its engaging and relatable characters but also delves deep into the complexities of relationships and personal growth.

The story revolves around Lucy, a charming and somewhat indecisive protagonist, who finds herself at a crossroads in her life. The novel opens with Lucy engaged to the dependable and doting Dan. However, the sudden reappearance of her ex-boyfriend, Blake, who is her polar opposite yet the man who first sparked the flames of deep passion in her, turns her world upside down. Blake is everything Dan isn’t - spontaneous and unpredictable, reigniting feelings Lucy thought were long buried.

Spring effectively uses a dual timeline to tell her tale, alternating chapters between the present and five years ago when Lucy and Blake’s romance first blossomed and subsequently wilted. This narrative technique enriches the story, providing a nuanced exploration of Lucy’s emotions and decisions. Through this flashback storytelling, readers gain insight into the deep connection that existed between Lucy and Blake, making his impact on Lucy's present-day decisions all the more credible and heart-wrenching.

The core of the novel lies in Lucy's poignant and often tumultuous journey to find her true self. Lucy's character is well-crafted and complex. She encapsulates the eternal battle between head and heart, making her a very relatable character for the readers. Her interactions with Dan and Blake showcase the different kinds of love and compatibility, adding layers to the conventional romance narrative. Dan’s steadiness is comforting yet predictable, while Blake’s unpredictable nature is exciting yet unreliable. Spring does an excellent job of portraying these contrasts without vilifying either character, which is a testament to her nuanced storytelling.

The secondary characters, including Lucy’s spirited best friend Jess and her meddling but affectionate family, add humor and vibrancy to the story. Their interventions and conversations provide relief from the emotional turmoil Lucy faces, while also pushing the plot forward. Particularly, Jess serves as both a comic relief and a pillar of wisdom, sometimes delivering insights that Lucy is too embroiled to see.

Moreover, Olivia Spring infuses her story with themes that resonate well beyond the surface-level romance. The concept of "the one that got away" is explored not just in the romantic sense, but also in terms of life choices, career aspirations, and personal dreams. Readers may find themselves contemplating their paths, inspired by Spring’s subtle prompts to assess what truly makes one happy and fulfilled.

The writing style of Spring is both fluid and captivating. She has a flair for crafting witty dialogues and vivid descriptions that pull readers directly into the scenes. Each chapter ends in a way that makes it hard to put the book down, driving the narrative with well-maintained tension and curiosity about Lucy's final decision.

However, where the book stumbles slightly is in its predictability. While the engaging writing style and character development keep the story interesting, the overarching plot may feel familiar to avid readers of the romance genre. Some of the plot twists can be seen coming from a mile away, which might detract from the experience for those looking for a more unpredictable read.

Despite this slight predictability, The One That Got Away is a rewarding read. It combines humor, heartache, and growth in a way that is both entertaining and thoughtful. Olivia Spring has managed to create a story that is not just about choosing between two lovers but about understanding oneself and making decisions that align with one's deep-seated desires and values.

In conclusion, The One That Got Away by Olivia Spring is a delightful romantic comedy that strikes a balance between light-hearted fun and thoughtful exploration of deep-seated human emotions and desires. It’s a recommended read for those who enjoy contemporary romances with a soul-searching twist. The novel will linger in your thoughts long after you’ve turned the last page, as you ponder your own "what ifs." This book is a celebration of the messy, unpredictable, yet ultimately beautiful journey of finding where and with whom one's heart truly belongs.