If two people blush and smile when talking to each other does that mean they like each other?

Anonymous
So when a girl and guy whenever they speak (rarely) constantly smile and blush, does that mean they have a crush on one another?
They secretly look and states at each Aotehr avoid making eye contact. Is it sigh of a crush?
If two people blush and smile when talking to each other does that mean they like each other?
5 Opinion