Hmm i change my after 4 month. I also orded my second piece yesterday. The old one is not realy in the best condition anymore. The density is alot lower compared with a new one and the hair quality is not the best anymore. It feels not fresh and nor more comfortable, so i buy a new one.
I still could wear it, but think this is a good example for a breakingpoint.

On the picture u can see in realy bright light that the density and hair quality has drasticaly declined. Ok i have to say i was realy brutal with that piece, because i wanted to test how fare i could go^^ So it was more like a creshdummy piece for me
I think if you handle it carefully it could last 5 Month.

Crashdummy Picture: not styled, not combed and no styling Products in the hair.