Advice

Hello I kind of need advice on dating. Me and this guy been talking for a year already. When we are texting I can talk all day but when I am near him it’s like my mouth is closed with tape and words can come out. I make it awkward for the two of us and can’t help but feel dumb after the date. Any help. I just get so nervous around him. My problem is that I have crooked teeth and it’s my biggest insecurity and I’m afraid he’ll stop talking to me because of my teeth. Any advice please?