please help! all Lời khuyên appreciated!!

about a tháng ago, this guy asked me if i wanted to go on a ngày with him, and i đã đưa ý kiến yes. we havent gone on the ngày yet, but now im regretting saying yes, and i find him kind of creepy, but i still see him sometimes and he'll like come up and hug me and its sooooo awkward! :( what should i do???