am·biv·a·lence 
(
ăm-b
ĭv
ə-l
əns)
n.1. The coexistence of opposing attitudes or feelings, such as love and hate, toward a person, object, or idea.
2. Uncertainty or indecisiveness as to which course to follow.
[German Ambivalenz : Latin ambi-, ambi- + Latin valentia, vigor (from valēns, valent-, present participle of valēre, to be strong; see wal- in the Appendix of Indo-European roots).]