FTM QUESTION

My baby is Two Months...when is it the right time for my ex to start taking her? She has stayed over night with him once (his mom was there to help... he lives an hour away from me) ( I wasn't ready to let her stay the first time and said no but his mom got all sad so I said never mind and told her yes ..smh didn't want to be that bitchy baby momma.. & now she want her to go with her and my ex more) I'm going through depression right now and it's hard being away from my baby...  Help...