My gf said last night that she was going to be in all day , I just called her house # , and her brother picked up saying she was out at a friends house named * * * * * * * * * * * * a female friend . When I try to call my gf mobile # it just rings , iv tried to call her about 4 times on her mobile with no answer . It rings but there is no voice mail at the end , it rings about 5 times than sounds like a disconnecting sound . Any thoughts on what s going on .

Based on the preceding passage, answer the following question How might the speaker feel during this situation ?
The speaker feels suspicious of their girlfriend .