He ignored my texts. Do I come across as needy/clingy?

Anonymous
This guy I'm dating has an extremely stressful job and has been traveling a lot recently from this country to another almost non-stop for about more than two weeks now. I understand he is kinda preoccupied with work so I would text him like twice a week to let him know I'm thinking about him. I never bugged him when he took hours to reply. Even when he didn't reply, I just let it go, just gave him a couple days then I would text him again not mentioning about the text getting no reply that day. But he has been quite distant recently and ignored my texts for a few times already and never said sorry like he used to, so I am still worried if I came across as clingy/needy or he is just so preoccupied? Advice please, thanks.
He ignored my texts. Do I come across as needy/clingy?
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