IT'S been a busy few days in the Love Island villa, with sparks flying between new – and established – couples.
Fans of the ITV2 reality show have been lapping up the drama, and haven't held back when they felt a contestant had stepped out of line.
This week some viewers accused Luca Bish of becoming aggressive towards partner Gemma Owen when she accidentally called him by her ex-boyfriend's name.
The awkward moment came after rugby hunk Jacques O'Neill entered the villa as a bombshell.
One fan remarked on Twitter that the fish salesman's jealousy was out of proportion and "a big red flag".
TV psychologist Jo Hemmings says Love Island viewers have become "highly skilled" in spotting red flags in developing relationships.
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She says: "Over the years we have seen all sorts of behaviour, from those that don’t make any effort to crack on or take their partners for granted, to those that are insecure, needy or even coercive.
"It is tempting to think that it’s only the guys that show ‘red flags’, whether through being assertive, possessive or gaslighting their partners.
"But actually it can just as easily be the girls who display that sort of behaviour."
Here Jo analyses the couples in the villa – and reveals the ones she believes are showing signs of being on the rocks.
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