According to Wiki
Cuffing season is typically defined as the time of year when single people actively search for short-term romantic partner to spend the colder months with, typically from October through March, culminating with Valentine’s Day. The term "cuff" is slang that alludes to handcuffs and means metaphorically to attach oneself to another individual.[1] Cuffing season usually commences at the start of autumn when the weather starts to become prohibitively cold for outdoor activities.[2] The lack of sunlight, outdoors, and warmth may lead some single people to become lonely and desperate.[1] In addition, being in a relationship in the winter months allows for companionship during holidays.[3][4] The rise of dating apps like Tinder further contributed to the phenomenon.[1] However, engaging in such a relationship with a superficial basis may lead to emotional drama for some people in the long term.[5]
As the weather gets colder, the days get darker and the economic future is uncertain, people want certainty and comfort in as many ways as possible. One way is to stop job hopping and stay put in the jobs they’re in to keep them psychological cozy and secure.
Once spring hits, employers should consider what they can offer to employees to avoid the ‘spring break(up)’—flexibility, work-life balance, opportunities to learn and develop professional skills and purpose-driven work.”
(Reference) Listen to EP. 33 Setting new goals for the new year
https://www.forbes.com/sites/bryanrobinson/2022/11/19/quiet-quitting-gives-way-to-job-cuffing-as-winter-approaches/?sh=53e72d3d1b21