Not silly at all — it's totally valid to check in on your scalp and wonder.
From the photo, your part does look a bit wider, but that can be totally normal depending on lighting, how your hair is styled, or natural part shape. It doesn’t scream obvious hair loss, but if you're noticing more...
Not washing your hair doesn’t cause hair loss — but buildup from oils, sweat, and products can lead to scalp issues (like inflammation or clogged follicles) that can contribute to shedding over time. So while skipping a few washes is fine, long-term buildup might make things worse.
Some shedding is normal, but if it’s feeling like a handful consistently, it might be worth checking with a doctor or derm. Everyone’s “normal” is different, but trust your gut if it feels off.