Spiritual practice is whatever we do regularly to grow in awareness, goodness and peace. The Gita describes many forms, from meditation and study to service and disciplined living. It is practical about how to begin and honest about difficulty. Its advice stresses moderation and repetition more than intensity, which suits ordinary lives with ordinary limits.
Gita 6.16 and 6.17 say yoga cannot be perfected through extremes, and that a balanced way of eating, recreation, work, sleep and wakefulness creates the ideal condition for it, so build a sustainable daily routine. Gita 2.58 compares a wise person to a tortoise that withdraws its limbs, able to draw the senses inward at will, and Gita 2.67 warns that one unchecked distraction can steer you off course. Gita 5.23 praises the person who can endure the urges of desire and anger, and Gita 2.14 asks us to bear pleasure and pain patiently.
The Gita also gives encouragement and breadth. Gita 6.44 says the force of previous practice draws a seeker back toward yoga, so trust your inner attraction to truth and continue nurturing it. Gita 4.31 says a spirit of sacrifice is essential for both worldly harmony and spiritual advancement, so contribute something beyond personal gain through service, charity or practice. Choose a few practices you can keep, protect your attention, and return after any lapse without self-reproach.