The phrase “take a picture, it’ll last longer” is often used humorously or sarcastically. It suggests that if someone is staring at something or someone for an extended period, they should capture the moment with a photograph instead of just looking. The underlying implication is that excessive staring can be perceived as rude or inappropriate, and taking a picture would serve as a more socially acceptable way to preserve the moment.
In a broader context, the expression can also highlight the fleeting nature of experiences and the idea that memories can be preserved through photography. It reflects a common sentiment in our image-saturated culture, where capturing moments is often prioritized over simply experiencing them in real-time.
Overall, it’s a light-hearted way to address the behavior of someone who is overly captivated by something or someone.