Should I text him?

I’ve been talking to this guy for quite a while and just recently he stopped responding to my texts, we still Snapchat and had one conversation on snap that I started but nothing else. We’re talking and also recently decided to be exclusive but ever since then he started acting weird. He said that he had a lot of stuff going on with school and sports, but not texting me is super odd. Should I reach out and ask him what’s going on?
Should I text him?
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