As long as a person with Down syndrome decides they found their significant other, they can get married just like anyone else.

Is it legal to marry a person with Down syndrome?

Two people with Down syndrome cant be married, or those two people will lose their benefits. If they dont get married, then the benefits stay intact.

Does Down syndrome get worse with age?

Adults with Down syndrome experience “accelerated aging,” meaning they will age faster than the general population. It is expected that adults with Down syndrome will show physical, medical, and cognitive signs of aging much earlier than what is expected for their age.