Quoting Boobie On Demand:" I posted about this the other day but I'm gonna ask again. DS is 3.5 months and has been rolling and ... [snip!] ... I need to call about before (I was planning on seeing if he starts to gain more interest in it but will call if I need to...)"When Keigann was getting over RSV and pneumonia a couple weeks ago, she did the same thing. She's back to her normal, active self. She's 5 months.