 If I've got something going on that, you know, and I'm glad to do an oil analysis then because, you know, what's it going to come back and tell me? It's going to come back and tell me, you know, do they see bearing material? You know, do they see anything? Is it clean? You know, are we in the early stages? Is it something extraneous of the engine? Because this could also be outside the engine. This could be in the alternator the way it works. This could be in the AC compressor the way it works in terms of noise. If the noise was consistent every time,