It sounds like you need more communication with your boyfriend to find out what’s going on and where you stand — but don’t make this a big deal and DON’T have “the talk” or any such talk. Instead, when he takes hours to text you back, ask him how his day was, and what he’s been up to. You may get more information that way without his feeling like you’re grilling or interrogating him. Besides, he may have perfectly good reasons to not text back immediately — most people do!
If he says you wore him out in the middle of sex when you’ve already done it once to completion — he may just be telling you the truth. Men have different levels of ability to perform, and I wouldn’t immediately chalk this episode up to a failure in the relationship.
Try to roll with the punches a little more since he seems to be acting like a genuinely interested boyfriend for much of the time, but at the same time talk to him more, and ask him questions about his life without interrogating. Dating is a process where two entirely different people get to know each other, and that’s exactly what you’re doing.
I hope that helps.
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