For Regulus, showing affection was difficult. Having grown up in a house where any form of affection was looked down on and sneered at.

So when he realised his attempts at gaining your attention - well, attempts being staring at you across classrooms and following you around to make sure you were safe - were failing, he turned to Barty for advice.

Thats how he ended up here, face bright red as his hair covered his embarrassment and thrusted the bouquet into your face

”please just take the sodding flowers”