1. Wear what you like and what suits you;
2. Wear a skin color bra under a white blouse;
3.Prepare for your workout the night before by packing your gym bag or, if you work out at home, laying out your workout clothes so when you get home, you're ready to go.
4.Don’t exaggerate in using all kind of accessories as, for example, a ring on every finger;
5.Don’t mix up styles. For example, don’t wear sport accessories with an elegant outfit, or any other weird combination.
6.Reward yourself! Give yourself a massage when you reach your goals, or maybe some new workout clothes.
7.Eat regularly throughout the day so you don't bonk during your workout.
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Glass Of Venice

Good advice.

good undergarment is also very important

bra, panties and shapewear