I've been on 3 dates with a guy I met online, and on the last date we slept together. He had been very consistent in his messages up until then with 'how was your day' type texts. The night after we had sex he texted saying he couldn't wait to see me again and I replied the next day asking when he was free. He said he was free this weekend and that I would have to let him know which day was best. (This was sunday) I didn't hear anything else from him like I usually would so I text him on Tuesday asking how his day was and letting him know that my children were ill and that I would have to confirm about the weekend if he still wants to meet up. He replied saying he still does and that we should just play it by ear re the children. So I said I would let him know. I've still not heard anything else from him...his communication level has definitely dropped off since Sunday morning...despite him seeming keen beforehand. What should my next move be?