Strength training is one of the best things you can do for your health at any stage of life. It builds muscle and bone, improves blood sugar, protects your joints and keeps everyday things easy. The hard part is not the exercises. It is still doing them in month three.
The U.S. Physical Activity Guidelines recommend muscle strengthening activity that works all major muscle groups at least two days a week, alongside about 150 minutes of moderate activity like brisk walking. Two full body sessions a week is a real plan, not a beginner compromise. Three is great if your week allows it.
Cover the main movement patterns and you cover the whole body:
Do two or three sets of each, with a weight that leaves one or two good reps in reserve. That is about 40 minutes.
Muscle grows when the work gets a little harder over time. When you can do every set with good form at the top of your rep range, add a little weight or a rep next time. Write it down. Progress you can see is the best reason to come back.
Training breaks muscle down; food and sleep build it back. Most people who lift do better with more protein than they are used to, often 1.2 to 2.0 grams per kilogram of body weight a day, spread across meals. Seven or more hours of sleep matters more than any supplement.
Tell Grace your goal and your schedule, and she builds your training into a plan that fits your real week, reminds you before a session, and counts every workout with you. On the weeks that slip, she helps you adjust instead of starting over. Share your wins with the people you love and let them cheer you on.
Sources: U.S. Department of Health and Human Services, Physical Activity Guidelines for Americans, 2nd edition; International Society of Sports Nutrition, position stand on protein and exercise.