Your room is wrong

You wake up for real this time but as you sit up you realize something is really wrong. Before you can think about it your mom walks in and says "Are you getting up Shelly?". You just stare at her and the look down at yourself, you see hair fall in front of your face as you stare at a soft thin t-shirt strain to contain breasts, your breasts. "Hellloo earth to Shelly are you feeling okay?" Your mom says waving her hand. "I uh don't feel so well today, could I stay home today". Your mom just looks at you strangely before shooting a glance at her watch. "Sure fine you can keep your brother company since he is feeling under the weather too I need to get to work".

As your mom leaves your room you hear the front door slam and your heart starts to beat as the situation settles in. You must have switched bodies with your sister during the dream which means...