To change one's tune typically means to change in a more positive or agreeable manner, as described in the entailment.
Context: You'll become more welcoming and agreeable and be expecting me to stay over nights or watch the kid during the day so you can get your beauty sleep.
Hypothesis: You 'll change your tune and be expectin me to stay over nights or watch the kid during the day so you can get your beauty sleep.

Given this context, determine if the hypothesis is true (Yes, no, or unknown)?