God knew you would need help in understanding His plan for you, so He sent the Holy Spirit to dwell inside you. He is your Guide, your Teacher of truth, your Comfort, and your Helper. He is also the Parakletos (Paraclete), which means counselor, advocate, and intercessor.
Jesus was confined to a body and could be only in one place at a time. But He knew the Holy Spirit would be with you everywhere you go, all the time, leading and guiding you. Trust the Holy Spirit in you, resting in the knowledge that in Him you are becoming everything God planned for you to be.