02.03.09: Back on the groovy bus up through Costa Rica, Nicaragua, Honduras and El Salvador. No cute girl for me to annoy this time, but I did meet a guy from Texas called John, who was - like myself - backpacking around Central America on his own. The remarkable thing was that he was 86 years old. I guess you're never too old to hit the road. Nicaragua was amazing - driving past Lake Nicaragua, which is just HUGE, and seeing the massive, perfectly-formed volcanoes rising out of the middle of it - it looked like the backdrop from The Land Before Time. Honduras was a little less remarkable, but seriously, they don't generally stick the cool stuff next to the road, do they? We arrived in San Salvador late that night. The guy on the bus told me there was a bus going north to…