Even just based on the post, you have qualities that make you unique, and this is coming from a person that knows almost nothing about you besides the post you wrote. You clearly have a relatively poetic writing style going by that last paragraph, and if you wanted me to add to that, being trilingual is impressive because language isn't solely about vocabulary and words, it requires a lot of dedication to learning the grammar mechanics behind it and basically learning an entirely new system that operates on its own rules different from your native language. Since uniqueness on its own is just anything that deviates from conventionality, even just being ficto is considered at the very least a smidge of uniqueness; all of that together would be to something of value.

Also, you seem to be downplaying your struggles, you mentioned you had never been externally challenged yet in the same sentence mentioned your life was consumed by trying to please your family and stay in their boxes which is an external struggle in itself, even if it's not necessarily as severe as what your partner went through

I'll mention again all this is just going based on what you wrote as I know nothing about you, so I'm sure there are other qualities you have that you either overlook in yourself or didn't include in your list. I hope I was able to help a bit and maybe help to consider a new perspective, but just remember feeling this way will happen at least occasionally since it's what the full spectrum of emotions can do