Cheated on

Nichole
Me and my bf been having a rocky relationship we've been trying to conceive for four months now I had my Miranda removed cause he told me he wanted a kid I have two kids from a previous relationship so ig he wanted on of his own soon we been trying but still nothing yet I found out three days ago he cheated on me and the girl is now pregnant for him I love him dearly... wat do I do???? Im destroyed hurt insecure and jus a emotional depressed wreck...