Actually, I can, occasionally, but only of other family members while we're sitting in a room reading books.
Anyway, though I haven't seen 'xoxo' since I stopped watching cartoons, it's not that weird. Kiss hug kiss hug, in case you are from another planet.
Either that, or a military targeting designation of some sort. Speaking of guns, I hope you are comfortable sitting on the one you've certainly jumped.
Worrying what three or four sentences might or might not mean definitely indicates you are over anxious. I recommend extra vitamin B, maybe some calcium, seriously. Calm yourself down, and see what develops.
Nothing a person says means a tenth as much as what they do. The only 'secret' to translating guy speak, is: take it literally, look each word up in the dictionary if you have to.
We usually mean no more and no less than exactly what we say. If we say "I care about you and for you," it means we care about you and for you.
It is neither a wedding proposal, nor a strangely perverse way of saying "I hate your shoes.