With just a little over 500 followers made up primarily of friends, Castellano said he never thought his tweet would go viral.
Hours after tweeting, Castellano said he received notification after notification that surpassed well over a few hundred retweets and likes by the end of Tuesday night.
“That night, it just kept going, and I was hanging out with some friends and they were like, ‘Why are you on your phone?’ And I was like, ‘I’m trying to keep up with all these notifications’… it was intense,” Castellano told KSAT.com.
Andrea's Hair Design owner Roger Sawyer said Castellano’s tweet was “awesome to see” and is excited to see the people from all over visit his family-owned business of 47 years.
Castellano said his “wow” moment came when one of San Antonio’s most well-known celebrities -- Shea Serrano, author of “Basketball (And Other Things)” -- quote retweeted his tweet a little over 24 hours after he posted about his mother.
“I was like, Shea is obviously pretty famous in San Antonio, so I was kind of completely overwhelmed,” Castellano told KSAT. “It’s amazing because he (Serrano) doesn’t even know us, so for him to support us like this, that’s crazy and we’re so grateful for it.”
Castellano’s tweet has received over 62,000 retweets and more than 70,000 likes on Twitter.