Urgh why do we get flustered over people we like, it's bloody annoying?

There's this super cute cashier in the shop and we had some very good flirty bantz we both liked each other's looks but he has a girlfriend and I'm not looking for anything anyway. But every time I see him it brightens my day and his smile is gorgeous but last time I managed to chuck a shopping basket across the room, which he did find amusing admittedly. But this time I was with little one and I managed to overturn a box full of cherry tomatoes on the floor on my way out. He did help me with them and said I'm not the first one to do so. But my god it's embarrassing, I'm not normally that clumsy.

What's your clumsy experiences lol
Urgh why do we get flustered over people we like, it's bloody annoying?
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