Last nigth she seem like she didn't want it

Troy • I`m 27 me and my will be married for one year on August 24 we been ttc now for a year
We are a ttc husband and wife but last nigth she was hella dry and we use the pre seed but while we was doing it it seem like she didnt want it her face expressions like nothing or she didn't make any sound so I ask her she say yea I want it but didn't seem like it  I really don't what to do this is the frist time this happened it like I tryed everything I know to turn her on but nothing