Forced proximity in space opera is not a contrivance. It is a feature of the genre.
Space opera amplifies everything.
The stakes are already enormous.
Civilisations, alliances, the fate of entire star systems.
When you drop an enemies to lovers dynamic into that context, every interaction carries double weight.
But it is the physical setting that does the real work.
Ships are close quarters.
There is nowhere to go.
Two people who would rather be anywhere else in the galaxy are forced into the same corridor, the same briefing room, the same tense silence during a long transit between stars.
Crews cannot simply walk away from each other.
Missions demand cooperation even when cooperation feels impossible.
Every time the characters are thrown together by circumstance, the reader holds their breath.
The isolation of space also strips away distraction.
There are no friends to retreat to, no city to lose yourself in.
It is just the two of them, the stars, and whatever is building between them whether they like it or not.
The High Stakes Amplifier
Space opera's grand scale does something else, too.
It makes the personal feel cosmically significant.
When two people from opposing sides of a conflict slowly begin to see each other clearly, that shift is not just personal.
It carries implications for every alliance, every loyalty, every decision that follows.
The political becomes intimate.
The intimate becomes political.
That doubling of stakes is something few other genres can achieve with the same intensity.