I'm a marathoner too, and have been one for over a decade.
It seems to me that you are doing as well as one can expect.
A thing about running, who does he train with? I ask because I've seen it so many times, people of the opposite sex that train together get attached. They just do. I train alone because I've felt the attachment in the past. I'm not trying to scare you, just making you aware of something that I've noticed.
Take care.
I'm a man . . . But I can change . . . If I have to . . . I guess . . .