K., i am a mom of 3 boys, the one boy would not go to anyone else but mom, they also go through stages where thats all they want, someday too they might just want dad and you will feel alful too, but i agree i would be the one in the other room crying to let them be together, cause you will hear her crying for you and you will come running, its ok to let her cry, make sure is taken care of fed, changed, not sleepy, and let dad play or try without you interfering, its ok, and yah leave the house for a bit is ok too, however too, if she is non stop crying for dad that could be very hard on him as well, so i would not go too far at first, but you might need your time away , or go take a nap, but you coming in every time she cries, is her controlling you in a bit, especially if all her needs are met, she loves daddy , she has just learned to be clingy, let them love and play with each other its ok, and it will be very very hard to be in next room while she cries for you , its the motherly instinct, but you know she is in good hands, then let her be just that in good hands, take care and daddy will be ok , so will you , and so will she, enjoy your bundle of joy and grow together as adults and have fun, D. s