When Silvertip joined Equestria's Royal Navy, he found it hard to sleep in his new environment, and bad dreams weren't uncommon.

In one of his first nights, he had a particularly bad nightmare. The young stallion jolted awake in his bed, heart thumping, breathing heavily. He wanted... needed somepony to comfort him and help him fall bad asleep. Someone like a mommy, who was responsible for him and cared for him.

He irresponsibly decided to do something that ironically none of his fellow recruits would be brave enough to do. He jumped up from his bed and ran off to the quarters where his drill instructor, Company Commander Swordfish slept, standing by her bed and gently shaking her awake.

The mare stirred awake and stared at the stallion by her bedside. "Recruit Silvertip! Why are you waking me up at 3 AM and why are you not in your quarters?" She whispered loudly.

"...I had a nightmare, can I sleep with you?"

Swordfish stared at him. She didn't need to say a word, her face spelled out her thoughts of disbelief pretty clearly. She thought about grabbing Silvertip by his ear, dragging him outside and giving him the biggest scolding anyone had ever received in the history of the Royal Guard.

"Pretty please... it was really scary."

Perhaps Silvertip had managed to awaken some maternal instinct in the otherwise strict commander, perhaps she was just so tired she didn't want to piss away what remained of the night in scolding a recruit, but she relented.

"Fiiiiiiiiiiiiiiiiiiine."

The stallion barely missed a second before pulling up the bedsheets so he could slide into her bed and snuggle up to her for the rest of the night. He had achieved what seemed unachieveable, a recruit waking up his company commander over an issue he shouldn't be having and living to tell the tale.

It was with the bedsheets removed that he noticed the thick cushioning wrapped around Swordfish's butt, which was decorated in babyish motifs of suns, moons, stars and clouds. It looked like a baby diaper, although scaled up to her side.

Silvertip, however, wasn't surprised. He had heard about Cadence's habit of babying up her royal guards because she thought that though guard ponies were just the cutest wrapped in a diaper and sucking on a pacifier. "Cadence got you too?" He asked, looking at his commander's diaper.

Swordfish scrunched up her nose and blushed hard, knowing the reason of Silvertip's question. She didn't want anypony finding out she was a bedwetter. The ponies under her would stop respecting her authority, the ponies above her would stop considering her for promotions, she may even get discharged!

Luckily, Silvertip had just provided her the perfect excuse. "Uhh, yes! That's totally what happened!" She scooted over towards her side, giving Silvertip the space to slide into her bed.

Silvertip climbed onto her bed carefully, turning towards her to hug her close and nuzzle up towards her neck. Swordfish yawned, getting ready to catch some more sleep before dawn.

"Silvertip?" She asked in a sleepy voice.

"Yes?" He asked.

"Remind me to whoop your ass next morning for waking me up." She said in a soft voice as she fell asleep. The stallion gulped, but soon followed her into dreamland.

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Oh, you KNEW this was coming. Can't design an OC and not have them wear diapers at some point.