I need help and cant mess this one up.

[kindrag23]

This is actually my aunts anniversary gift from my uncle. She is in love with it and I dont wont to make it mad. So fantastic GIANT NOID phal. Ice cube orchid def. Has bud blast sits south east window(I think) morning sun no late evening sun.

Its got great roots, some rotting roots, roots coming out of pot needs repotting I think. Its in a clear pot sitting in a plastic decorative pot. The plant is so big its leaves are being torn up by decorative pot. Any and all suggestions will be welcome, im still working on perfecting my phal growth skills. She also most likely wont come on here to read the sticky.

Thanks!