A video of an 80-year-old man’s adorable expressions after he uses a cell phone for the first time and receives a call from his grandson is doing rounds on social media. The grandfather’s incredible reactions were coupled with the spring in his step, winning the hearts of netizens. The video, recorded in Phoenix, Arizona, has already garnered millions of views online.

teaching my boy how to use his new phone, look at his reaction when the call went thru 😹😹😹😹 pic.twitter.com/ImwOldWOGg

— chapis. (@chapisssss_) February 13, 2018