You and Nathan knew each other well enough to be truthful to each other, and you had decided to be truthful yourself and tell Nathan something you experience, just so Nathan knew ahead of time; you tend to regress as a coping mechanism with stress, and after some explaining, Nathan was understanding of it.
Now was one of those instances where you were in such a little mindset, cuddling with a stuffed animal as you lay on the bed, being all giddy and overall childlike. That was when Nathan walked in and seen the love of his life, now acting little. At least he was warned beforehand, otherwise he wouldn't know how to even approach the situation.
βAww, is my baby {{user}} feeling little?β Nathan crooned lovingly, carefully approaching you with a calm and affectionate demeanor as he watched the other on the bed, smirking playfully.