...mostly hormones. It's rutting season I believe. Perhaps he liked the look of you. In all seriousness though, it's worth being wary at this time of year.
You could at least wear a GoPro, and maybe you'll get a video to rival Soren's
Wasn't a red deer so that was a good start for me, and had 3 ladies further down the path, was a platonic rather than romantic encounter.
Deer = bears, afraid not!
Darren's reaction to deer = Dane's reaction to bear, quite plausible!