Say what you miss specifically
Name a quality, ritual, conversation, or period that mattered. Avoid claims such as nobody understands me like you if they make the friend responsible for your current loneliness.
Acknowledge how the distance happened
If life drifted, say so simply. If you withdrew, ignored them, or caused harm, own that before inviting closeness back.
Offer a modest next step
Suggest exchanging updates, a short call, or coffee, and say there is no pressure. Do not expect the friendship to resume at its previous intensity after one message.