Would you feel disturbed/unhappy if your partner go for a 10 days trip with her friends (which also includes opposite gender)?

It’s a 10 day trip with around 20 men and women of same age. They would dance, drink, may smoke together.

would you feel some sort of disturbance or unhappiness or tension.. or some insecurity?

Would you feel disturbed/unhappy if your partner go for a 10 days trip with her friends (which also includes opposite gender)?
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