It happens, man... just wrap your head around it and get used to it.
I used Rogaine for a little while. It does work, but it's not worth it... it dries out your head, it's itchy, and gives you dandruff.
If mine gets really bad I might shave it - but for the time being I'm just keeping it cut fairly short (so there's clearly no hint of a combover attempt).
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Warning! Do not sear the top of your neck hole in the molten lactate extract of hoofed mammals.