Library Synastry

Their Mercury in your 5th house

Flirting with them is a game

In synastry, you place one person's planets into the other person's houses. When someone's Mercury, how you think, falls in your 5th house, Desire, that part of them shows up in the part of your life about romance, creativity, pleasure, children.

What it's like

The banter that starts in the group chat and ends up at dinner. This person is witty about your desires, and your playful side loves being teased in the right way.

The good

Banter makes romance and creativity sparkle

The tension

Teasing can slip past what you find funny

It depends who they are

The same placement plays out differently with a partner, an ex or your mum.

If they're your partner

Flirting with them is a game

Banter, teasing and a running joke make dating this person feel like play. Words are their way of showing desire, so a quiet partner feels like a loss.

If they're a crush

They flirt with words

This person brings playful, teasing chat that makes you smile at your screen. Words are the main chemistry here.

If they're an ex

They flirted in full sentences

This person charmed you with words: clever texts, teasing, notes that made you grin. Charm is not the same as follow-through, which you probably noticed.

If they're a friend

They make your ideas playful

Plot twists, funny names, a plan for a side project. This person bats ideas around and makes thinking feel like play, which suits your creative side.

If they're family

They can make you laugh

This person has a knack for wit and wordplay that brings out your own. Banter between you is a form of affection.

The other way round: Your Mercury in their 5th house

You make them play with ideas

Banter, wordplay, flirty emails: your Mercury in this person's 5th makes their creativity talkative. They come away with ideas they want to try.

About Mercury

Mercury is your mind in motion: how you take things in, talk, text, plan and argue. It's also the planet of errands, emails and that list on the back of an envelope.

About the 5th house, Desire

The 5th house is joy on purpose: flirting, playing, making things and doing what you love just because. It also covers children and anything you bring to life with your heart.

See where someone lands in your houses.

Add them to Orbit in the Houses app and it shows every one of their planets in your chart, and yours in theirs.

Get the app

Read next