The shock findings come from Women's Aid which is launching its #TooIntoYou Valentines Day awareness campaign.
Unhealthy and abusive behaviour in intimate relationships has become 'normalised' for Irish young people.
That's according to Women's Aid which has revealed shocking results from an online quiz involving 20 thousand young people.
93% say their partner has threatened to post explicit pictures or videos of them online during a fight.
83% reported their partner had hit them.
72% say the person they're in a relationship with demands to look through their phone and know their passwords, while 62% felt pressured to engage in sexual activity that they didn't want.
It's lead Mary Hayes says many young people either don't know or ignore red flags.
'When you're going out with someone and they're into you, it can be exciting you know feel like the honeymoon phase but if they're too into you this might be a red flag for abuse, so they might want to spend all their time with you they might bombard you with texts they might do grand gestures of affection and attention that we would particularly see around Valentine's day.'
