it's not that I don't like you all
~ @Vexmae
Maybe someone doesn't like you.
If you are absolutely adamant about the issue only being related to Minecraft, there's not much I can tell you.
If it, however, happens with your internet connection in general, it's worth calling your ISP. Asking never hurts. Maybe you'll even get lucky and get your calls answered by a minecraft nerd who will resolve the whole matter.
Even if you reinstalled minecraft, make sure the client is in the default setting after you reinstall and also clear any left-over files.
After everything else fails, contact Mojang, submit a support ticket.