Light travels at 186 thousand miles per second. That means it travels about six trillion miles in a year, so that’s the distance in a light year. The sun is “only” about 0.000016 of a light year (93 million miles) from Earth; its light reaches us in about eight minutes twenty seconds.
I can remember saying “I love you this much!” as a child, with my arms open wide. I’m sure you’ve seen children do this before: they open their arms as wide as they can and say “I love you this much!” Or they give you a bear hug and squeeze and say the same thing.
Though our primary means of communicating is in our hands, we don’t have time to talk right now. Sending a text message is complicated because it opens us up to a potentially ongoing conversation.