How can I train y lungs not to be out of breath all the time, especially after stairs and running?
brahs...
Bumperino for the faggot known as OP
>>76566023train your cardiovascular fitness, retard
>>76566023Cardio progressive overload. Do a couch to 5k program or something.https://www.reddit.com/r/trackandfield/comments/9s5vib/how_to_get_sub_2_800m/
>>76566023Can I get that image without Rei and Asuka