The time of the month.

2p Denmark:

Magnus knew that menstruation would start soon, he noted the small changes to (y/n)'s personality.
He prepared everything and was not ashamed of fetching products for her.
Medicine to ease pain and bloating was much appreciated.

He'd find her on the couch with a blanket around her, pouting that she looked bad.
The Dane would assure her that she was adorable, she would start crying.
He had to keep reminding himself it was the hormones and that this was temporary.
Magnus will give (y/n) the attention she needs if she gets emotional.

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2p Sweden:

He had to leave, the smell of blood was too tempting.
He knew she was stable enough to take care of herself and called her on her phone or video chatted her.

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2p Finland:

Thurston had been matched with anger and pure rage with her period.
His usually loyal and loving girlfriend was a rage machine that was probably worse than him.
He had to shut his angry mouth to not get told off again.
She completely destroyed him in her insults.
The Finn was a little scared of her like this.
He looked forward to when she would go back to being her sweet self again.

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2p Norway:

She got hungry.
Hungry to the point that she was raiding the refrigerator.
Loki had to lock the kitchen up.
The bloated and hungry woman would got talk to Drage for hours, even though the beast couldn't speak back.

Loki found that some foods were Able to fill her up and kept giving those to her.
She was now sick of those foods.

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2p Iceland:

Egil, like Magnus, was ready.
He found his girlfriend was more sleepy after starting and not able to resist cuddles.
The Icelanders found that she was also kind of easier to arouse and had to dial back on the types of cuddles they did.

The Icelandic man was patient as she grew more cuddly.
Sir puffin also found that if he sat on the bloated and warm belly, (y/n) would not feel as bad.
Treats were a must during those trying times.