For non affectionate guys out there (the ones who can't seem to say I miss you, I love you) how can we tell you we know you care? We see your effort?

In a situationship. he's not an affectionate type like mentioned but i know he cares, walks me to my car, brings me my food, we text constantly about everything. Lately he's been hesitant for me to leave, or him leave when we hang out or has rested his head on mine when we have our parting hug (s). I know he struggles with the words, but i see what he does for me and how hard he's gotten to this point to show me what affection he does. I bring him food i know he likes and try to get it before he asks because i know he hates asking, or get him things i know he needs but won't ask for, but how do I tell him i see what he does for me without making it overly gushy because while im the affectionate type with words and touch i know it can be a bit much for him.

For non affectionate guys out there (the ones who can't seem to say I miss you, I love you) how can we tell you we know you care? We see your effort?
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