Baby shower

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So my cousin keeps asking me to pick the date of the baby shower I'm due late August. When would be a good time to do a baby shower? My friend wants to do it in August but I think that being my first baby I will be to out of it and tired to even entertain guests. I was think 2nd week of June is that too soon? I'm a FTM so I have no idea what I'm doing lol. Also when should I register??