Pretty realistic; I'm sure this happens between a lot of people IRL. Sucks for both sides and it's hard to get over the pain of being rejected, but it's for the better to not force it, so I'm not even mad.
Didn't expect much out of this when I first started reading, but I'm pleasantly surprised by how they've progressed some story nicely within the ecchi. Him creating his own sword feels like a very fitting conclusion. But anyway....mmmmm YES, LOLI