Hurrah for hand me downs

I live in a joint family, where one of the pleasures of living with my dad and brother under the same roof is to steal clothes. Yeah, you heard that right. Currently, I'm enjoying the youngish style that my bro's clothes have and happy with the fact that he has lost a lot of weight, become fit, and handed me his (relatively) new clothes that suit me just fine.
One thing I've noticed- how come, sometimes, clothes that you would never pick up yourself end up looking better on you than your old ones? I hope I'm not the only one saying this, and many others feel the same way, otherwise put it down to a lack of fashion sense :)