It could be that she's facing financial difficulties or has some relationship issues. Those kinds of things often stress people out, even in cartoons.
Typically, an extremely stressed cartoon woman could have disheveled hair, bags under her eyes, and be constantly clutching her head or rubbing her temples. Maybe she's also surrounded by a chaotic environment to emphasize her stress.
The woman mailman might be stressed in the cartoon because of tight deadlines, bad weather conditions affecting her deliveries, or maybe she's facing some personal issues at the same time.
The woman might be stressed because she's been working on the computer for long hours without a break. Maybe she's also dealing with a lot of pressure from her boss or clients through the computer.
Maybe she has too much work or personal problems to deal with.
A stressed out woman in a cartoon might have a frazzled expression, disheveled hair, and be constantly fidgeting or pacing.
Maybe she has too much work or responsibilities. That can stress anyone out, even a cartoon character.
Maybe it's to show the challenges and pressures women face in daily life.
The cartoon of a stressed woman driving could potentially mean she's got a lot on her mind, like work pressure or family issues, which is making the driving situation more challenging for her.
Maybe she has a lot of problems at work or in her personal life that are causing her stress.
Maybe she's lonely and thinks a cat can bring her some company and comfort.