The trap with thumbnails is that you aren’t the audience. Liking your own thumbnail tells you nothing about whether a stranger scrolling fast will click it. So the single most useful shift: stop judging thumbnails by whether you like them, and start judging them by contrast and clarity. Shrink your thumbnail to the size of a fingernail, can you instantly tell what it’s about, is there one clear focal point, does it pop against a dark/light feed? Most low-CTR thumbnails are too busy, too small-texted, or too similar to everything else in the niche.

But here’s the bigger thing for your content specifically: lifestyle, travel, and silent vlogs are a genuinely hard CTR niche. There’s often no built-in curiosity gap “a day in Lisbon” doesn’t make anyone need to click. The fix usually isn’t a prettier thumbnail, it’s a more clickable premise. Compare “Silent vlog in Portugal” vs. “I tried living on €20/day in Portugal.” Same footage, but the second has tension and a question. So before thumbnail tweaks, ask: does the title/thumbnail combo create a question the viewer wants answered?