He breaks up with her because she 's unwilling to put in the time to make Martin a super-obedient dog .
Nan begins dating a wealthy influential businessman ( Timothy Omundson ) under the pretense that he 's helping her train Martin .
Martin breaks up with Nan because Nan 's unwilling to put in the time to make Martin a super-obedient dog .
Nan begins dating a wealthy influential businessman ( Timothy Omundson ) under the pretense that he 's helping her train Martin .