For those whose long-term love-relationships don't have random deep conversations or connecting on an intellectual level, what then?

Do you always have periods where you sit in silence? Or is every opportunity alone together used for sex?
I think silence is nice sometimes, cuddling in silence... is there never anything on your mind you want to talk about just for the sake of connecting with your partner on an emotional and intellectual level?
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Why not?
For those whose long-term love-relationships don't have random deep conversations or connecting on an intellectual level, what then?
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