Butterflies stay on clothes for a long time, and there may be many omens. Here are some possible explanations:
1. If you think this is a sign of good things, you can think it is a sign of good luck. If you don't believe it, then it may just be a natural phenomenon.
2. Clothes are brightly colored: If your clothes are brightly colored and butterflies stay on your clothes, it may be because the color of your clothes attracts butterflies.
3. Warm-up and rest: If your body is warmer than the surrounding environment, then butterflies may stay on you to warm up or rest.
4. Bring good luck: In some cultures, butterflies are regarded as a symbol of good luck. If a butterfly stays on your clothes for a long time, it may be a good sign of good luck and happiness.
In short, there may be many different omens and explanations for butterflies staying on clothes for a long time. This is just a natural phenomenon and there is no clear scientific explanation.