Be encouraging and present a few strong options, but if they say they'd rather stay in, drop it. Extroverts don't mind change, while introverts need a moment to adjust. If you have a change of plans for your ambivert, be sure to give them as much of a heads up as possible. When you're in public give your ambivert just enough attention to make them feel secure and loved, but don't embarrass them. Doing discrete things like putting your hand on their knee when you sit or on the small of their back as you stand, will make them feel comfortable without calling too much attention to them.
Waiting to have sex and not even trying gives you power. A good life coach wants you to make working choices, not for you to follow his ideals.
How Dating Coaches Can Ruin Your Life
Or you can be a confident you, meet her personal and practical needs, and wait a bit.