Intense feelings like stress, anger, or embarrassment can cause the blood vessels in your face to widen. This is a normal reaction of your nervous system but can be severe if you have anxiety. If your emotions make you feel flushed, you could also notice: Sweating.
A little bit of light teasing is one of the easiest ways to make your special person randomly blush. The light teasing, especially in public places, can make someone blush because people are naturally quite conscious when they're in public, especially with their beloved.
Give him an unusual compliment.
If you know him well, then compliment a strong, positive personality trait. Say something about how confident, kind, or humorous he is. Compliments are a great way to make someone feel self-conscious and lead to blushing, but in a positive way.
If you notice that a guy blushes around you, this is one of the most obvious signs he is trying to flirt with you. However, not only do shy guys blush, any guy can actually blush when he sees a beautiful girl.
"People always notice blushing."
However, people don't pick up on it 100% of the time. They're often more concerned with other things in a conversation than scrutinizing the redness of your cheeks. They may be thinking about what to say next, considering what you've said, or be distracted by their own insecurities.
This emoji is used to express positive feelings, from happiness to gratitude to affection. Because of its rosy cheeks, some people use the emoji to convey mild embarrassment. Related words: good vibes.
About blushing and flushing
Facial blushing is an involuntary reddening of the face due to embarrassment or stress. The terms blushing and flushing mean the same thing, although flushing tends to be used for more severe cases (known as idiopathic cranio-facial erythema).
Sometimes, people blush because they are simply prone to blushing. You can tell the blushing is because of you if it happens more when you're around. If she blushes and turns away or even tries to apologize because it happens so much, it's probably because she knows that it's a tell that she's very much into you.
The three day rule is a dating strategy that suggests waiting three days to call your date after you go out. The theory is that waiting three days makes you look less eager and/or desperate, and gives your date time to realize how much they liked you when they think you might not contact them.
Tease your crush just a little bit.
Tease them gently about something they're good at/confident about. If your crush is a star athlete, try saying, "So how many extra goals is your team going to score when they don't have you on the field?"
Flirting can be subtle and indirect, so sometimes it's hard to decipher whether or not someone is expressing interest. Clues to spot flirting are body language, such as smiling, leaning forward, and touching, and verbal cues such as compliments or references to being available.
See if she blushes around you – a lot.
This is another sign that she may have a crush on you. If every time you walk by or talk to her, you find her turning red or getting flustered, then this may be a sign that she likes you and is shy and embarrassed about talking to you or saying the wrong thing.
If someone has a crush on you, there's a fairly good chance they'll be glancing at you more often than others. They might stare at you when they think you aren't noticing and might even look away if you catch them. Such sneaking glances at you may indicate they like you as well.
Women reportedly blush more than men, but the one study that measured gender differences did not find strong evidence of this. Blushing is unique to humans, although animals with naked skin have flush reactions so they seem to blush.
If you're wondering, “does he like me or not?” make sure to observe his actions. If he doesn't tell you he's attracted to you, you can tell by his body language and how his eyes move around. He might give you intense eye contact and look at your chest or check you out when you're across the room.