>Be in longterm, currently long-distance relationship
>SO's younger bro is moderately autistic
>SO slated to take care of him after parents are gone
>this means for sure staying in the same town where he already has a support structure
>worried that when the time comes, I won't be able to help SO/ will move and end up miserable due to feeling "trapped" in one place
>feel like this chance of failure means I'm holding SO back/ wasting his time when he could find someone who's for sure able to do this, or at least find someone he can be with irl regularly until that time comes
>don't want to break up because I love him, but feel selfish for above reasons

Anyone had any experience with this sort of thing? It's not like the time for this is imminent, or that we haven't talked about it before a while back, but for some reason the whole doubt and guilt thing hit me hard all of a sudden today.