if I leave my new strings on for a couple of days without putting on the locking nut, will they automatically stretch by themselves? cuz I tried stretching them manually by doing bends and abusing the hell out of the whammy bar, but the pitch never seems to go back. for example, if I tune the high E perfectly to pitch, and then pull on the whammy (raise the pitch), and then re-check the tuner, it seems to stay at the correct pitch. but then when I test out the whammy by pushing on it (lowering the pitch) and then check the tuner again, the pitch will have lowered. and vice versa (for example, if I start by lowering the pitch with the whammy first, it stays; but as soon as I raise the pitch with the whammy, it'll raise the whole pitch when I check with the tuner). What sucks is that this is only happening when I use the whammy bar, and not when I just bend with my fingers. Any ideas as how to solve this?