The psalmist talks about crying out to God in anguish, about celebrating him with joy, and asking him for help.
Sometimes just starting is hard. You may feel awkward, you may feel "this isn't working", or "am I doing this right?". These are fairly standard reactions - don't worry if that's you! And if that's not you, that's good too!
If you're looking for a suggestion, an easy way to get into the habit could be reading and reflecting on the readings for the day. Consider adding a minute or two of silence, letting the Lord speak directly to your heart.