This is normal and natural and happens to everyone. Learning to focus your attention is like strengthening a muscle. We need to keep repeating the same action over and over to get stronger muscles and focus of attention. Try an active meditation eg walking so that you are less likely to be distracted by your thoughts. Pick a time of day for your daily practice. Your mind is like a stage – the attention is like where you shine the lights on the stage. Your mind will keep hooking you and taking your attention off the focus (eg the narrators voice or your breathing) and onto other things (eg. your worries, sounds outside). Just keep refocusing your attention again and again. You will become more confident and less likely to be distracted over time. Just like a buddhist monk – learning a new skill takes practice. Were you confident the first time you rode a bike? No, you had to keep practicing and you got better and better over time. Just don’t give up. There are lots of apps out there to help you. Start with briefer meditations eg 2 or 5 minutes, and work your way up. You could try apps that match your practice to an activity eg walking or eating.