Should I send my ldr boyfriend a cute text after a serious argument?

had a serious argument w my long distance boyfriend last night, we're talking about it later to sort things though (: is it too early/annoying to send him this? ):

"hiiii x I hope your first day's gone well so far (: I'm literally so proud of you harry. goodnight <3"

(we're 19 so we type like this, might be a bit cringe)
Should I send my ldr boyfriend a cute text after a serious argument?
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