He's too busy for me?

I know it's a classic brush off but in his defense he does have a busy life and told me he is currently working a lot of overtime (shift work too). When he's busy, I never hear from him. When life settles down, he texts me again. I like him (more than he likes me, obviously) and I know he has a... Show More

...I am worried he'll forget all about me but I don't want to be texting him all the time when I know he's busy. That's too clingy.