Ghosting

Okay so me and this dude been talking for 4 months . He ghosted me in January for 5 days but I started back talking to him and just Tuesday he has not tried to reach out to me I think he blocked me to I didn’t do nothing at all but this the second time I’m done I know he not worth my time but why do I want to reach out so bad cus I wanna know why what’s the best thing to do? I like him a lot. Smh