Does this make me a loner or just lazy?

So the doorbell rings and two well dressed ladies my age with the most white, perfect, expensive teeth were standing there and invited us to a “meet and great” party around the corner. I hadn’t even brushed my hair or put on makeup and I have a chipped front tooth. My husband can barely walk after his accidents.
Honestly, I’d rather sit at home and watch youtube videos than go. I know it’s a rotten attitude but I like to read so much, I like to learn things and small talk bores me to tears. Am I a loner? I feel a little guilty like I’m snubbing them=as if they care.