I've been ignoring a guy that I like, what should I do now to let him know that I'm still interested?

I've been ignoring a guy that I like by not replying to his text. I didn't reply to his text because of my insecurities and my busy life. This guy and his dad came over in my place to meet me a day after I ignored his text. Our last text was him asking me a question which he already have the answer for, so I decided not to reply to that.

What should I do now to let him know that I am still interested? He probably got the wrong signal that I'm not interested because I was ignoring him, but it's not true. I ignore him cause I was insecure and shy. What should I do now to get his attention back? What should I text him now?
I've been ignoring a guy that I like, what should I do now to let him know that I'm still interested?
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