[Debezo]

好きやねん - I like/love you (colloquial)
this is the Kansai dialect. it is equal to "suki dayo" in standard japanese. ya=da, nen=yo,ne

恋は思案のほか
this is a japanese proverb, something like "Love and reason do not go together", "One cannot love and be wise". hoka means 'outside' in this case.