MY MIND IS PLAYING TRICKS ON ME

please help!! my best friend and my wife work in the same bank.at times,he drops her home on his way back.lately,both of them have been travel

ing often,and close late most times. i have offered to pick her up when she close late,but she asked me not to worry because she can come with him.am not suspecting anything,but some how its starting to make me uncomfortable. is this issue worth thinking about or i should just forget it?